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Prime Tuple Database
Prime p0= 870451781978353681 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 18 144 4 20 24 46 24 12 30 44 30 12 24 46 24 20 4 144 18 (?)
an: 0 18 162 166 186 210 256 280 292 322 366 396 408 432 478 502 522 526 670 688
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 688
Found by: Frank [NT]
db: batch=73, k=20, 18 144 4 20 24 46 24 12 30 44
dn: 0 18 144 4 20 24 46 24 12 30 44 30 12 24 46 24 20 4 144 18 (?)
an: 0 18 162 166 186 210 256 280 292 322 366 396 408 432 478 502 522 526 670 688
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 688
Found by: Frank [NT]
db: batch=73, k=20, 18 144 4 20 24 46 24 12 30 44
| SPT(16) | 870451103176602821 | 0 30 32 150 156 186 236 242 276 282 332 362 368 486 488 518 | -678801750860 |
| SPT(16) | 870451129514665319 | 0 8 78 90 102 122 192 194 258 260 330 350 362 374 444 452 | -652463688362 |
| STPT(10) | 870451139328549671 | 0 2 6 8 48 50 90 92 96 98 | -642649804010 |
| STPT(10) | 870451170025390769 | 0 2 48 50 90 92 132 134 180 182 | -611952962912 |
| SPT(16) | 870451364828726819 | 0 8 42 48 102 132 140 188 264 312 320 350 404 410 444 452 | -417149626862 |
| STPT(10) | 870451678601511239 | 0 2 48 50 60 62 72 74 120 122 | -103376842442 |
| STPT(10) | 870452055704039057 | 0 2 12 14 42 44 72 74 84 86 | 273725685376 |
| STPT(10) | 870452261520523301 | 0 2 6 8 48 50 90 92 96 98 | 479542169620 |
| SPT(16) | 870452463735553583 | 0 26 68 86 104 126 140 216 218 294 308 330 348 366 408 434 | 681757199902 |
| SPT(16) | 870452837387789077 | 0 4 6 10 30 60 114 120 226 232 286 316 336 340 342 346 | 1055409435396 |
| STPT(10) | 870453147145264349 | 0 2 18 20 30 32 42 44 60 62 | 1365166910668 |
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