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Prime Tuple Database
Prime p0= 2221319489730376831 starts a
Symmetric tuple of 18 consecutive primes (SPT).
dn: 0 70 20 12 28 6 32 28 32 52 32 28 32 6 28 12 20 70 (?)
an: 0 70 90 102 130 136 168 196 228 280 312 340 372 378 406 418 438 508
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 508
Found by: Penguin
db: batch=81, k=18, 70 20 12 28 6 32 28 32 52
dn: 0 70 20 12 28 6 32 28 32 52 32 28 32 6 28 12 20 70 (?)
an: 0 70 90 102 130 136 168 196 228 280 312 340 372 378 406 418 438 508
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 508
Found by: Penguin
db: batch=81, k=18, 70 20 12 28 6 32 28 32 52
| STPT(10) | 2221317358845158027 | 0 2 24 26 42 44 60 62 84 86 | -2130885218804 |
| SPT(16) | 2221317532975024307 | 0 20 32 90 92 192 236 264 272 300 344 444 446 504 516 536 | -1956755352524 |
| TPT(14) | 2221317641038974809 | 0 2 48 50 90 92 102 104 282 284 300 302 342 344 | -1848691402022 |
| STPT(10) | 2221318498576322441 | 0 2 6 8 18 20 30 32 36 38 | -991154054390 |
| SPT(16) | 2221319004687304051 | 0 46 60 106 168 202 210 216 232 238 246 280 342 388 402 448 | -485043072780 |
| STPT(10) | 2221319431202938667 | 0 2 42 44 72 74 102 104 144 146 | -58527438164 |
| SPT(16) | 2221320390564001301 | 0 12 110 176 200 210 212 222 266 276 278 288 312 378 476 488 | 900833624470 |
| STPT(10) | 2221320493200220829 | 0 2 18 20 30 32 42 44 60 62 | 1003469843998 |
| TPT(14) | 2221320531588702407 | 0 2 42 44 90 92 204 206 414 416 420 422 504 506 | 1041858325576 |
| STPT(10) | 2221320584127168917 | 0 2 30 32 42 44 54 56 84 86 | 1094396792086 |
| TPT(14) | 2221320781144171769 | 0 2 12 14 72 74 138 140 150 152 210 212 252 254 | 1291413794938 |
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