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Prime Tuple Database
Prime p0= 1991004783965415461 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 38 22 6 26 24 34 30 42 44 106 44 42 30 34 24 26 6 22 38 (?)
an: 0 38 60 66 92 116 150 180 222 266 372 416 458 488 522 546 572 578 600 638
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 638
Found by: [AF>Amis des Lapins] Phil1966
db: batch=80, k=20, 38 22 6 26 24 34 30 42 44 106
dn: 0 38 22 6 26 24 34 30 42 44 106 44 42 30 34 24 26 6 22 38 (?)
an: 0 38 60 66 92 116 150 180 222 266 372 416 458 488 522 546 572 578 600 638
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 638
Found by: [AF>Amis des Lapins] Phil1966
db: batch=80, k=20, 38 22 6 26 24 34 30 42 44 106
| STPT(10) | 1991003229488030447 | 0 2 30 32 42 44 54 56 84 86 | -1554477385014 |
| SPT(16) | 1991003248441826197 | 0 12 40 90 130 172 186 222 250 286 300 342 382 432 460 472 | -1535523589264 |
| TPT(14) | 1991003369514812801 | 0 2 30 32 108 110 150 152 168 170 210 212 276 278 | -1414450602660 |
| SPT(16) | 1991003690270806481 | 0 2 6 8 36 86 90 92 96 98 102 152 180 182 186 188 | -1093694608980 |
| TPT(14) | 1991004471068546369 | 0 2 18 20 60 62 168 170 210 212 270 272 282 284 | -312896869092 |
| SPT(16) | 1991004762124332637 | 0 100 112 124 130 144 184 222 244 282 322 336 342 354 366 466 | -21841082824 |
| SPT(16) | 1991004829877754167 | 0 44 60 102 140 164 180 200 234 254 270 294 332 374 390 434 | 45912338706 |
| STPT(10) | 1991005055301045689 | 0 2 42 44 90 92 138 140 180 182 | 271335630228 |
| SPT(16) | 1991005067521824083 | 0 20 48 78 116 144 146 156 188 198 200 228 266 296 324 344 | 283556408622 |
| STPT(10) | 1991005320664158059 | 0 2 48 50 60 62 72 74 120 122 | 536698742598 |
| TPT(14) | 1991005479169570469 | 0 2 60 62 90 92 138 140 168 170 180 182 258 260 | 695204155008 |
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