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Prime Tuple Database
Prime p0= 1531110408495199253 starts a
Symmetric tuple of 18 consecutive primes (SPT).
dn: 0 18 50 10 2 40 14 10 20 100 20 10 14 40 2 10 50 18 (?)
an: 0 18 68 78 80 120 134 144 164 264 284 294 308 348 350 360 410 428
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 428
Found by: Spectrum
db: batch=78, k=18, 18 50 10 2 40 14 10 20 100
dn: 0 18 50 10 2 40 14 10 20 100 20 10 14 40 2 10 50 18 (?)
an: 0 18 68 78 80 120 134 144 164 264 284 294 308 348 350 360 410 428
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 428
Found by: Spectrum
db: batch=78, k=18, 18 50 10 2 40 14 10 20 100
| SPT(16) | 1531109578492678609 | 0 12 28 60 78 94 150 174 208 232 288 304 322 354 370 382 | -830002520644 |
| SPT(16) | 1531109652997925171 | 0 20 30 42 96 98 120 132 176 188 210 212 266 278 288 308 | -755497274082 |
| TPT(16) | 1531109778846452171 | 0 2 48 50 96 98 108 110 246 248 420 422 486 488 540 542 | -629648747082 |
| TPT(14) | 1531109810556734201 | 0 2 6 8 120 122 126 128 180 182 258 260 276 278 | -597938465052 |
| STPT(10) | 1531110013479416129 | 0 2 42 44 90 92 138 140 180 182 | -395015783124 |
| STPT(10) | 1531110168794276891 | 0 2 6 8 18 20 30 32 36 38 | -239700922362 |
| STPT(10) | 1531110560567734889 | 0 2 72 74 210 212 348 350 420 422 | 152072535636 |
| STPT(10) | 1531111075857096059 | 0 2 18 20 30 32 42 44 60 62 | 667361896806 |
| STPT(10) | 1531111481483702717 | 0 2 30 32 42 44 54 56 84 86 | 1072988503464 |
| TPT(14) | 1531111540640805701 | 0 2 6 8 30 32 48 50 90 92 156 158 180 182 | 1132145606448 |
| STPT(10) | 1531111701274351739 | 0 2 48 50 90 92 132 134 180 182 | 1292779152486 |
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