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Prime Tuple Database
Prime p0= 1491389465582956721 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 8 18 12 4 6 14 18 16 56 64 56 16 18 14 6 4 12 18 8 (?)
an: 0 8 26 38 42 48 62 80 96 152 216 272 288 306 320 326 330 342 360 368
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 368
Found by: vanos0512
db: batch=78, k=20, 8 18 12 4 6 14 18 16 56 64
dn: 0 8 18 12 4 6 14 18 16 56 64 56 16 18 14 6 4 12 18 8 (?)
an: 0 8 26 38 42 48 62 80 96 152 216 272 288 306 320 326 330 342 360 368
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 368
Found by: vanos0512
db: batch=78, k=20, 8 18 12 4 6 14 18 16 56 64
| STPT(12) | 1491388319283099617 | 0 2 30 32 84 86 90 92 144 146 174 176 | -1146299857104 |
| SPT(16) | 1491388393951916311 | 0 10 12 42 60 82 90 112 276 298 306 328 346 376 378 388 | -1071631040410 |
| STPT(10) | 1491388459932609767 | 0 2 12 14 42 44 72 74 84 86 | -1005650346954 |
| STPT(10) | 1491389019572194019 | 0 2 12 14 90 92 168 170 180 182 | -446010762702 |
| STPT(10) | 1491389252732684477 | 0 2 30 32 42 44 54 56 84 86 | -212850272244 |
| SPT(16) | 1491389267621925799 | 0 24 54 70 88 100 102 138 184 220 222 234 252 268 298 322 | -197961030922 |
| SPT(16) | 1491389497903708831 | 0 18 52 72 162 172 180 198 220 238 246 256 346 366 400 418 | 32320752110 |
| STPT(10) | 1491389526913146977 | 0 2 30 32 42 44 54 56 84 86 | 61330190256 |
| STPT(10) | 1491389686278128711 | 0 2 6 8 48 50 90 92 96 98 | 220695171990 |
| STPT(10) | 1491389949298878821 | 0 2 90 92 108 110 126 128 216 218 | 483715922100 |
| SPT(16) | 1491390299875065851 | 0 8 20 132 162 170 182 218 240 276 288 296 326 438 450 458 | 834292109130 |
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