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Prime Tuple Database
Prime p0= 1251997140693060871 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 30 16 24 18 2 78 18 40 26 4 26 40 18 78 2 18 24 16 30 (?)
an: 0 30 46 70 88 90 168 186 226 252 256 282 322 340 418 420 438 462 478 508
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 508
Found by: biodoc
db: batch=77, k=20, 30 16 24 18 2 78 18 40 26 4
dn: 0 30 16 24 18 2 78 18 40 26 4 26 40 18 78 2 18 24 16 30 (?)
an: 0 30 46 70 88 90 168 186 226 252 256 282 322 340 418 420 438 462 478 508
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 508
Found by: biodoc
db: batch=77, k=20, 30 16 24 18 2 78 18 40 26 4
| STPT(10) | 1251996454575589157 | 0 2 30 32 42 44 54 56 84 86 | -686117471714 |
| SPT(16) | 1251996466670761027 | 0 6 30 72 100 142 156 216 286 346 360 402 430 472 496 502 | -674022299844 |
| STPT(10) | 1251996513833950439 | 0 2 42 44 60 62 78 80 120 122 | -626859110432 |
| STPT(10) | 1251996617498460257 | 0 2 12 14 72 74 132 134 144 146 | -523194600614 |
| STPT(10) | 1251996989549864819 | 0 2 18 20 30 32 42 44 60 62 | -151143196052 |
| SPT(16) | 1251997049341659721 | 0 36 48 66 72 90 100 112 156 168 178 196 202 220 232 268 | -91351401150 |
| SPT(16) | 1251997205346952607 | 0 32 56 96 114 116 134 144 152 162 180 182 200 240 264 296 | 64653891736 |
| SPT(16) | 1251997239637183261 | 0 40 66 78 96 126 178 216 292 330 382 412 430 442 468 508 | 98944122390 |
| SPT(16) | 1251997468873064083 | 0 4 36 46 70 76 108 114 190 196 228 234 258 268 300 304 | 328180003212 |
| STPT(10) | 1251997720319262611 | 0 2 30 32 60 62 90 92 120 122 | 579626201740 |
| STPT(10) | 1251997733233040639 | 0 2 18 20 30 32 42 44 60 62 | 592539979768 |
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