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Prime Tuple Database
Prime p0= 2176221226580720653 starts a
Symmetric tuple of 18 consecutive primes (SPT).
dn: 0 10 38 40 30 6 6 38 88 2 88 38 6 6 30 40 38 10 (?)
an: 0 10 48 88 118 124 130 168 256 258 346 384 390 396 426 466 504 514
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 514
Found by: Penguin
db: batch=81, k=18, 10 38 40 30 6 6 38 88 2
dn: 0 10 38 40 30 6 6 38 88 2 88 38 6 6 30 40 38 10 (?)
an: 0 10 48 88 118 124 130 168 256 258 346 384 390 396 426 466 504 514
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 514
Found by: Penguin
db: batch=81, k=18, 10 38 40 30 6 6 38 88 2
| SPT(16) | 2176219934296085399 | 0 8 198 228 260 282 330 372 470 512 560 582 614 644 834 842 | -1292284635254 |
| STPT(10) | 2176220130186486971 | 0 2 66 68 138 140 210 212 276 278 | -1096394233682 |
| STPT(10) | 2176220238513018947 | 0 2 12 14 42 44 72 74 84 86 | -988067701706 |
| TPT(14) | 2176220297239968347 | 0 2 12 14 30 32 42 44 54 56 60 62 90 92 | -929340752306 |
| STPT(10) | 2176220505339574649 | 0 2 48 50 90 92 132 134 180 182 | -721241146004 |
| STPT(10) | 2176220686961988419 | 0 2 18 20 30 32 42 44 60 62 | -539618732234 |
| STPT(10) | 2176221632184779321 | 0 2 6 8 18 20 30 32 36 38 | 405604058668 |
| SPT(16) | 2176222004148447041 | 0 2 30 78 90 98 146 206 222 282 330 338 350 398 426 428 | 777567726388 |
| STPT(10) | 2176222305674709137 | 0 2 24 26 42 44 60 62 84 86 | 1079093988484 |
| STPT(10) | 2176222627634794337 | 0 2 30 32 42 44 54 56 84 86 | 1401054073684 |
| SPT(16) | 2176222673855140583 | 0 8 18 36 80 98 138 140 204 206 246 264 308 326 336 344 | 1447274419930 |
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