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Prime Tuple Database
Prime p0= 2991541809471963353 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 50 10 18 12 44 6 18 22 14 10 14 22 18 6 44 12 18 10 50 (?)
an: 0 50 60 78 90 134 140 158 180 194 204 218 240 258 264 308 320 338 348 398
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 398
Found by: [SG-FC] hl
db: batch=82, k=20, 50 10 18 12 44 6 18 22 14 10
dn: 0 50 10 18 12 44 6 18 22 14 10 14 22 18 6 44 12 18 10 50 (?)
an: 0 50 60 78 90 134 140 158 180 194 204 218 240 258 264 308 320 338 348 398
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 398
Found by: [SG-FC] hl
db: batch=82, k=20, 50 10 18 12 44 6 18 22 14 10
| TPT(14) | 2991540349683438731 | 0 2 78 80 90 92 120 122 138 140 168 170 180 182 | -1459788524622 |
| STPT(12) | 2991540349683438809 | 0 2 12 14 42 44 60 62 90 92 102 104 | -1459788524544 |
| STPT(10) | 2991540452138322827 | 0 2 12 14 42 44 72 74 84 86 | -1357333640526 |
| SPT(16) | 2991540882360442387 | 0 16 120 132 156 192 222 232 294 304 334 370 394 406 510 526 | -927111520966 |
| TPT(14) | 2991541089707979629 | 0 2 30 32 42 44 72 74 120 122 168 170 210 212 | -719763983724 |
| SPT(16) | 2991541645850689801 | 0 18 36 102 172 178 190 268 330 408 420 426 496 562 580 598 | -163621273552 |
| SPT(16) | 2991542087363486201 | 0 18 86 98 108 116 138 146 150 158 180 188 198 210 278 296 | 277891522848 |
| SPT(16) | 2991542273733397543 | 0 4 40 60 64 70 84 90 124 130 144 150 154 174 210 214 | 464261434190 |
| STPT(10) | 2991542489031098669 | 0 2 18 20 30 32 42 44 60 62 | 679559135316 |
| STPT(10) | 2991542665709175659 | 0 2 12 14 90 92 168 170 180 182 | 856237212306 |
| STPT(10) | 2991542682037591007 | 0 2 30 32 42 44 54 56 84 86 | 872565627654 |
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