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Prime Tuple Database
Prime p0= 2174391382903280809 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 4 18 2 18 36 12 22 20 28 2 28 20 22 12 36 18 2 18 4 (?)
an: 0 4 22 24 42 78 90 112 132 160 162 190 210 232 244 280 298 300 318 322
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 322
Found by: Penguin
db: batch=81, k=20, 4 18 2 18 36 12 22 20 28 2
dn: 0 4 18 2 18 36 12 22 20 28 2 28 20 22 12 36 18 2 18 4 (?)
an: 0 4 22 24 42 78 90 112 132 160 162 190 210 232 244 280 298 300 318 322
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 322
Found by: Penguin
db: batch=81, k=20, 4 18 2 18 36 12 22 20 28 2
| SPT(16) | 2174388472849683547 | 0 6 36 66 172 186 204 262 294 352 370 384 490 520 550 556 | -2910053597262 |
| STPT(10) | 2174389479765955757 | 0 2 30 32 42 44 54 56 84 86 | -1903137325052 |
| STPT(10) | 2174389957948299977 | 0 2 12 14 42 44 72 74 84 86 | -1424954980832 |
| STPT(10) | 2174390679146480537 | 0 2 30 32 42 44 54 56 84 86 | -703756800272 |
| SPT(16) | 2174390922676862429 | 0 14 44 80 108 168 180 194 198 212 224 284 312 348 378 392 | -460226418380 |
| STPT(10) | 2174391131778985967 | 0 2 12 14 42 44 72 74 84 86 | -251124294842 |
| SPT(16) | 2174391423770164847 | 0 2 42 44 72 84 92 134 162 204 212 224 252 254 294 296 | 40866884038 |
| STPT(10) | 2174391711836895371 | 0 2 186 188 198 200 210 212 396 398 | 328933614562 |
| STPT(10) | 2174392034841905687 | 0 2 54 56 72 74 90 92 144 146 | 651938624878 |
| STPT(10) | 2174392670736302717 | 0 2 30 32 42 44 54 56 84 86 | 1287833021908 |
| TPT(14) | 2174393327682926657 | 0 2 30 32 114 116 180 182 234 236 240 242 282 284 | 1944779645848 |
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