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Prime Tuple Database
Prime p0= 2256391128425999321 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 30 56 6 6 22 38 48 4 30 8 30 4 48 38 22 6 6 56 30 (?)
an: 0 30 86 92 98 120 158 206 210 240 248 278 282 330 368 390 396 402 458 488
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 488
Found by: Orange Kid
db: batch=81, k=20, 30 56 6 6 22 38 48 4 30 8
dn: 0 30 56 6 6 22 38 48 4 30 8 30 4 48 38 22 6 6 56 30 (?)
an: 0 30 86 92 98 120 158 206 210 240 248 278 282 330 368 390 396 402 458 488
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 488
Found by: Orange Kid
db: batch=81, k=20, 30 56 6 6 22 38 48 4 30 8
| STPT(10) | 2256390009951620999 | 0 2 78 80 120 122 162 164 240 242 | -1118474378322 |
| STPT(10) | 2256390337485426029 | 0 2 18 20 30 32 42 44 60 62 | -790940573292 |
| SPT(16) | 2256390472577585089 | 0 18 28 40 54 64 84 132 160 208 228 238 252 264 274 292 | -655848414232 |
| SPT(16) | 2256390655300617359 | 0 2 18 20 44 62 68 72 140 144 150 168 192 194 210 212 | -473125381962 |
| TPT(14) | 2256390664297296347 | 0 2 30 32 84 86 240 242 252 254 330 332 342 344 | -464128702974 |
| TPT(14) | 2256390993237329519 | 0 2 18 20 60 62 72 74 132 134 240 242 282 284 | -135188669802 |
| STPT(10) | 2256391486504292321 | 0 2 30 32 60 62 90 92 120 122 | 358078293000 |
| SPT(16) | 2256391898902945571 | 0 26 48 96 140 176 182 236 252 306 312 348 392 440 462 488 | 770476946250 |
| SPT(16) | 2256392340802821227 | 0 2 30 42 44 54 90 132 272 314 350 360 362 374 402 404 | 1212376821906 |
| STPT(10) | 2256392431216184717 | 0 2 30 32 42 44 54 56 84 86 | 1302790185396 |
| STPT(10) | 2256392670645637619 | 0 2 18 20 30 32 42 44 60 62 | 1542219638298 |
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