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Prime Tuple Database
Prime p0= 2561554866373992751 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 10 18 38 4 2 60 60 6 10 2 10 6 60 60 2 4 38 18 10 (?)
an: 0 10 28 66 70 72 132 192 198 208 210 220 226 286 346 348 352 390 408 418
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 418
Found by: conf [MM]
db: batch=82, k=20, 10 18 38 4 2 60 60 6 10 2
dn: 0 10 18 38 4 2 60 60 6 10 2 10 6 60 60 2 4 38 18 10 (?)
an: 0 10 28 66 70 72 132 192 198 208 210 220 226 286 346 348 352 390 408 418
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 418
Found by: conf [MM]
db: batch=82, k=20, 10 18 38 4 2 60 60 6 10 2
| STPT(10) | 2561554063306223309 | 0 2 18 20 30 32 42 44 60 62 | -803067769442 |
| STPT(10) | 2561554097550183077 | 0 2 24 26 42 44 60 62 84 86 | -768823809674 |
| STPT(10) | 2561554328638141391 | 0 2 36 38 78 80 120 122 156 158 | -537735851360 |
| SPT(16) | 2561554399766910143 | 0 8 56 98 198 224 246 276 308 338 360 386 486 528 576 584 | -466607082608 |
| STPT(10) | 2561554446489267797 | 0 2 12 14 42 44 72 74 84 86 | -419884724954 |
| STPT(10) | 2561554742400540347 | 0 2 24 26 42 44 60 62 84 86 | -123973452404 |
| STPT(10) | 2561555007973964831 | 0 2 6 8 48 50 90 92 96 98 | 141599972080 |
| STPT(10) | 2561555162934915617 | 0 2 30 32 42 44 54 56 84 86 | 296560922866 |
| STPT(10) | 2561555454614801471 | 0 2 30 32 78 80 126 128 156 158 | 588240808720 |
| STPT(10) | 2561555460803842169 | 0 2 18 20 30 32 42 44 60 62 | 594429849418 |
| SPT(16) | 2561555812457434813 | 0 88 96 108 118 144 166 186 208 228 250 276 286 298 306 394 | 946083442062 |
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