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  v k λ μ rf sgcomments
? 552 76 0 12 4437 –16114  
    475 410 400 15114 –5437  
- 552 209 46 99 2528 –5523 Krein2; Absolute bound
    342 231 180 5423 –3528 Krein1; Absolute bound
- 552 232 66 120 2528 –5623 Krein2; Absolute bound
    319 206 154 5523 –3528 Krein1; Absolute bound
? 553 72 11 9 9237 –7315  
    480 416 420 6315 –10237  
- 553 276 137 138 11.258276 –12.258276 Conf
+ 557 278 138 139 11.300278 –12.300278 Paley(557); 2-graph\*
? 559 264 116 132 6429 –22129 pg(12,21,6)?; 2-graph\*?
    294 161 147 21129 –7429 2-graph\*?
? 560 129 28 30 9301 –11258  
    430 330 330 10258 –10301  
? 560 130 30 30 10273 –10286 pg(13,9,3)?
    429 328 330 9286 –11273  
+ 560 208 72 80 8364 –16195 Sz(8) (rk 17); pg(13,15,5)?
    351 222 216 15195 –9364  
? 560 234 108 90 24104 –6455  
    325 180 200 5455 –25104 pg(13,24,8)?
? 560 247 102 114 7399 –19160 pg(13,18,6)?
    312 178 168 18160 –8399  
? 560 258 110 126 6430 –22129 2-graph?
    301 168 154 21129 –7430 2-graph?
? 560 273 140 126 21130 –7429 2-graph?
    286 138 154 6429 –22130 pg(13,21,7)?; 2-graph?
? 561 60 9 6 9220 –6340  
    500 445 450 5340 –10220  
! 561 64 32 4 3033 –2527 Triangular graph T(34)
    496 435 465 1527 –3133 pg(16,30,15)
? 561 140 31 36 8340 –13220  
    420 315 312 12220 –9340  
? 561 176 55 55 11272 –11288 pg(16,10,5)?
    384 262 264 10288 –12272  
? 561 240 99 105 9340 –15220 pg(16,14,7)?
    320 184 180 14220 –10340  
- 561 280 139 140 11.343280 –12.343280 Conf
? 565 240 104 100 14225 –10339 S(2,10,226)?
    324 183 189 9339 –15225  
? 565 282 140 141 11.385282 –12.385282 2-graph\*?
? 567 256 100 128 4496 –3270 pg(8,31,4)?; 2-graph\*?
    310 181 155 3170 –5496 2-graph\*?
? 568 217 66 93 4496 –3171 pg(7,30,3)?
    350 225 200 3071 –5496  
? 568 252 96 124 4497 –3270 2-graph?
    315 186 160 3170 –5497 2-graph?
? 568 279 150 124 3171 –5496 2-graph?
    288 132 160 4496 –3271 2-graph?
+ 569 284 141 142 11.427284 –12.427284 Paley(569); 2-graph\*
- 573 286 142 143 11.469286 –12.469286 Conf
? 575 112 45 16 3246 –3528  
    462 365 396 2528 –3346 pg(14,32,12)?
? 575 126 29 27 11252 –9322 pg(14,8,3)?
    448 348 352 8322 –12252  
- 575 232 60 116 2551 –5823 Krein2; Absolute bound
    342 225 171 5723 –3551 Krein1; Absolute bound
+ 575 286 141 143 11299 –13275 pg(22,12,11)?; 2-graph\*
    288 144 144 12275 –12299 S(2,12,276)?; 2-graph\*
! 576 46 22 2 2246 –2529 242
    529 484 506 1529 –2346 OA(24,23)?
+ 576 69 24 6 2169 –3506 OA(24,3)
    506 442 462 2506 –2269 OA(24,22)?
+ 576 92 28 12 2092 –4483 OA(24,4)
    483 402 420 3483 –2192 OA(24,21)?
? 576 100 4 20 4475 –20100  
    475 394 380 19100 –5475  
? 576 115 18 24 7368 –13207  
    460 368 364 12207 –8368  
+ 576 115 34 20 19115 –5460 OA(24,5)
    460 364 380 4460 –20115 OA(24,20)?
? 576 120 28 24 12224 –8351 pg(15,7,3)?
    455 358 364 7351 –13224  
? 576 125 16 30 5450 –19125  
    450 354 342 18125 –6450  
+ 576 138 42 30 18138 –6437 OA(24,6)
    437 328 342 5437 –19138 OA(24,19)?
? 576 150 30 42 6425 –18150  
    425 316 306 17150 –7425  
+ 576 161 52 42 17161 –7414 OA(24,7)
    414 294 306 6414 –18161 OA(24,18)?
? 576 175 46 56 7400 –17175  
    400 280 272 16175 –8400  
+ 576 184 64 56 16184 –8391 OA(24,8)
    391 262 272 7391 –17184 OA(24,17)?
? 576 200 64 72 8375 –16200  
    375 246 240 15200 –9375  
+ 576 207 78 72 15207 –9368 OA(24,9)
    368 232 240 8368 –16207 OA(24,16)?
- 576 225 28 126 1567 –998 Krein2; Absolute bound
    350 250 154 988 –2567 Krein1; Absolute bound
? 576 225 84 90 9350 –15225 pg(15,14,6)?
    350 214 210 14225 –10350  
- 576 230 58 114 2552 –5823 Krein2; Absolute bound
    345 228 174 5723 –3552 Krein1; Absolute bound
? 576 230 94 90 14230 –10345 OA(24,10)?
    345 204 210 9345 –15230 OA(24,15)?
? 576 245 112 98 21135 –7440  
    330 182 198 6440 –22135 pg(15,21,9)?
? 576 250 106 110 10325 –14250  
    325 184 182 13250 –11325  
? 576 253 112 110 13253 –11322 OA(24,11)?
    322 178 182 10322 –14253 OA(24,14)?
+ 576 275 130 132 11300 –13275 RSHCD; 2-graph
    300 156 156 12275 –12300 from 2-(24,2,1) with 1-factor Fickus et al.; 2-graph
+ 576 276 132 132 12276 –12299 OA(24,12)?; RSHCD+; 2-graph
    299 154 156 11299 –13276 OA(24,13)?; Goethals-Seidel(2,23); 2-graph
- 576 285 168 114 5724 –3551 Absolute bound
    290 118 174 2551 –5824 Absolute bound
+ 577 288 143 144 11.510288 –12.510288 Paley(577); 2-graph\*
- 581 290 144 145 11.552290 –12.552290 Conf
? 583 96 14 16 8318 –10264  
    486 405 405 9264 –9318  
? 584 154 36 42 8364 –14219  
    429 316 312 13219 –9364  
+ 585 72 7 9 7324 –9260 O(5,8) Sp(4,8); GQ(8,8)
    512 448 448 8260 –8324  
? 585 200 55 75 5480 –25104 pg(8,24,3)?
    384 258 240 24104 –6480  
? 585 224 88 84 14234 –10350  
    360 219 225 9350 –15234 S(2,15,351)?
? 585 292 145 146 11.593292 –12.593292 2-graph\*?
- 589 294 146 147 11.635294 –12.635294 Conf
? 592 216 90 72 24111 –6480  
    375 230 250 5480 –25111 pg(15,24,10)?
+ 593 296 147 148 11.676296 –12.676296 Paley(593); 2-graph\*
! 595 66 33 4 3134 –2560 Triangular graph T(35)
    528 465 496 1560 –3234  
? 595 90 5 15 5441 –15153  
    504 428 420 14153 –6441  
+ 595 108 35 16 2384 –4510 S(2,4,85)
    486 393 414 3510 –2484  
? 595 114 33 19 19119 –5475  
    480 384 400 4475 –20119 S(2,20,476)?
? 595 126 21 28 7390 –14204 pg(9,13,2)?
    468 369 364 13204 –8390  
? 595 132 33 28 13220 –8374  
    462 357 364 7374 –14220  
? 595 144 18 40 4510 –2684  
    450 345 325 2584 –5510  
? 595 198 81 58 2884 –5510  
    396 255 280 4510 –2984  
? 595 216 68 84 6459 –22135  
    378 245 231 21135 –7459  
- 597 298 148 149 11.717298 –12.717298 Conf
? 598 192 56 64 8390 –16207 pg(12,15,4)?
    405 276 270 15207 –9390  

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