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Prime Tuple Database
Prime p0= 2987430677421540929 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 20 4 54 26 18 12 6 24 28 8 28 24 6 12 18 26 54 4 20 (?)
an: 0 20 24 78 104 122 134 140 164 192 200 228 252 258 270 288 314 368 372 392
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 392
Found by: Orange Kid
db: batch=82, k=20, 20 4 54 26 18 12 6 24 28 8
dn: 0 20 4 54 26 18 12 6 24 28 8 28 24 6 12 18 26 54 4 20 (?)
an: 0 20 24 78 104 122 134 140 164 192 200 228 252 258 270 288 314 368 372 392
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 392
Found by: Orange Kid
db: batch=82, k=20, 20 4 54 26 18 12 6 24 28 8
| STPT(10) | 2987429528284408901 | 0 2 126 128 168 170 210 212 336 338 | -1149137132028 |
| STPT(10) | 2987429531885126357 | 0 2 12 14 42 44 72 74 84 86 | -1145536414572 |
| SPT(16) | 2987429674239826577 | 0 102 110 150 156 170 192 194 282 284 306 320 326 366 374 476 | -1003181714352 |
| STPT(10) | 2987429973278160257 | 0 2 12 14 42 44 72 74 84 86 | -704143380672 |
| STPT(10) | 2987430415841171087 | 0 2 12 14 72 74 132 134 144 146 | -261580369842 |
| STPT(10) | 2987430659385697697 | 0 2 30 32 42 44 54 56 84 86 | -18035843232 |
| SPT(16) | 2987431454296075531 | 0 10 12 28 30 40 42 72 76 106 108 118 120 136 138 148 | 776874534602 |
| SPT(16) | 2987431523575937491 | 0 6 22 70 76 118 132 148 180 196 210 252 258 306 322 328 | 846154396562 |
| STPT(10) | 2987431697036386079 | 0 2 18 20 30 32 42 44 60 62 | 1019614845150 |
| SPT(18) | 2987431779444292471 | 0 22 40 46 70 78 96 102 222 256 376 382 400 408 432 438 456 478 | 1102022751542 |
| SPT(16) | 2987432718298325849 | 0 18 62 90 110 128 132 182 198 248 252 270 290 318 362 380 | 2040876784920 |
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