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Prime Tuple Database
Prime p0= 1297850193596431217 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 14 12 18 10 18 20 42 16 36 74 36 16 42 20 18 10 18 12 14 (?)
an: 0 14 26 44 54 72 92 134 150 186 260 296 312 354 374 392 402 420 432 446
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 446
Found by: Cruncher Pete
db: batch=77, k=20, 14 12 18 10 18 20 42 16 36 74
dn: 0 14 12 18 10 18 20 42 16 36 74 36 16 42 20 18 10 18 12 14 (?)
an: 0 14 26 44 54 72 92 134 150 186 260 296 312 354 374 392 402 420 432 446
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 446
Found by: Cruncher Pete
db: batch=77, k=20, 14 12 18 10 18 20 42 16 36 74
| SPT(16) | 1297848913843956491 | 0 2 42 66 122 140 156 162 176 182 198 216 272 296 336 338 | -1279752474726 |
| STPT(10) | 1297849277314376399 | 0 2 18 20 30 32 42 44 60 62 | -916282054818 |
| STPT(10) | 1297849341089372969 | 0 2 18 20 60 62 102 104 120 122 | -852507058248 |
| STPT(10) | 1297849511756307449 | 0 2 18 20 30 32 42 44 60 62 | -681840123768 |
| STPT(10) | 1297849707250105811 | 0 2 6 8 48 50 90 92 96 98 | -486346325406 |
| SPT(16) | 1297849757901189917 | 0 56 102 132 156 162 210 240 242 272 320 326 350 380 426 482 | -435695241300 |
| SPT(16) | 1297850273313441131 | 0 6 12 20 36 48 60 72 116 128 140 152 168 176 182 188 | 79717009914 |
| STPT(10) | 1297850439501691487 | 0 2 24 26 42 44 60 62 84 86 | 245905260270 |
| SPT(16) | 1297850509249775141 | 0 12 62 78 126 152 182 192 206 216 246 272 320 336 386 398 | 315653343924 |
| STPT(10) | 1297850575578638969 | 0 2 18 20 30 32 42 44 60 62 | 381982207752 |
| STPT(10) | 1297850890652050697 | 0 2 180 182 210 212 240 242 420 422 | 697055619480 |
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