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Prime Tuple Database
Prime p0= 2178780665506008587 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 2 64 6 30 30 2 16 26 28 8 28 26 16 2 30 30 6 64 2 (?)
an: 0 2 66 72 102 132 134 150 176 204 212 240 266 282 284 314 344 350 414 416
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 416
Found by: MarkRBright
db: batch=81, k=20, 2 64 6 30 30 2 16 26 28 8
dn: 0 2 64 6 30 30 2 16 26 28 8 28 26 16 2 30 30 6 64 2 (?)
an: 0 2 66 72 102 132 134 150 176 204 212 240 266 282 284 314 344 350 414 416
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 416
Found by: MarkRBright
db: batch=81, k=20, 2 64 6 30 30 2 16 26 28 8
| STPT(10) | 2178779783233276499 | 0 2 12 14 90 92 168 170 180 182 | -882272732088 |
| STPT(10) | 2178780245915417657 | 0 2 84 86 102 104 120 122 204 206 | -419590590930 |
| SPT(16) | 2178780273601551289 | 0 18 40 42 70 102 180 202 258 280 358 390 418 420 442 460 | -391904457298 |
| STPT(10) | 2178780422832443399 | 0 2 12 14 30 32 48 50 60 62 | -242673565188 |
| STPT(10) | 2178780625392844787 | 0 2 12 14 42 44 72 74 84 86 | -40113163800 |
| STPT(10) | 2178780657148014971 | 0 2 6 8 18 20 30 32 36 38 | -8357993616 |
| STPT(10) | 2178780719486167799 | 0 2 30 32 60 62 90 92 120 122 | 53980159212 |
| SPT(16) | 2178781582849474517 | 0 24 26 36 62 96 126 150 176 200 230 264 290 300 302 326 | 917343465930 |
| STPT(10) | 2178781711233575681 | 0 2 36 38 78 80 120 122 156 158 | 1045727567094 |
| STPT(10) | 2178782394487900247 | 0 2 54 56 72 74 90 92 144 146 | 1728981891660 |
| STPT(10) | 2178782489430382601 | 0 2 78 80 108 110 138 140 216 218 | 1823924374014 |
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