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Prime Tuple Database
Prime p0= 1280465933910949691 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 12 30 26 10 132 12 44 10 2 82 2 10 44 12 132 10 26 30 12 (?)
an: 0 12 42 68 78 210 222 266 276 278 360 362 372 416 428 560 570 596 626 638
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 638
Found by: HenkM
db: batch=77, k=20, 12 30 26 10 132 12 44 10 2 82
dn: 0 12 30 26 10 132 12 44 10 2 82 2 10 44 12 132 10 26 30 12 (?)
an: 0 12 42 68 78 210 222 266 276 278 360 362 372 416 428 560 570 596 626 638
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 638
Found by: HenkM
db: batch=77, k=20, 12 30 26 10 132 12 44 10 2 82
| STPT(10) | 1280465114365687427 | 0 2 60 62 72 74 84 86 144 146 | -819545262264 |
| SPT(16) | 1280465414900932219 | 0 10 18 24 64 84 88 108 124 144 148 168 208 214 222 232 | -519010017472 |
| STPT(10) | 1280465426436974597 | 0 2 30 32 42 44 54 56 84 86 | -507473975094 |
| STPT(10) | 1280465433326622407 | 0 2 42 44 72 74 102 104 144 146 | -500584327284 |
| STPT(10) | 1280465552958521981 | 0 2 6 8 18 20 30 32 36 38 | -380952427710 |
| SPT(16) | 1280465871737428349 | 0 12 74 98 102 110 128 180 182 234 252 260 264 288 350 362 | -62173521342 |
| STPT(10) | 1280466063486795509 | 0 2 18 20 30 32 42 44 60 62 | 129575845818 |
| SPT(16) | 1280466332512976029 | 0 94 102 108 124 144 178 220 222 264 298 318 334 340 348 442 | 398602026338 |
| SPT(16) | 1280466398988727163 | 0 14 26 36 96 120 140 174 176 210 230 254 314 324 336 350 | 465077777472 |
| SPT(16) | 1280466414266808227 | 0 26 44 50 104 110 114 156 284 326 330 336 390 396 414 440 | 480355858536 |
| SPT(16) | 1280466649253425721 | 0 20 38 72 86 90 92 156 182 246 248 252 266 300 318 338 | 715342476030 |
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