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Prime Tuple Database
Prime p0= 208878999517838627 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 32 22 6 6 8 46 6 20 16 2 16 20 6 46 8 6 6 22 32 (?)
an: 0 32 54 60 66 74 120 126 146 162 164 180 200 206 252 260 266 272 294 326
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 326
Found by: desktop64
db: batch=69, k=20, 32 22 6 6 8 46 6 20 16 2
dn: 0 32 22 6 6 8 46 6 20 16 2 16 20 6 46 8 6 6 22 32 (?)
an: 0 32 54 60 66 74 120 126 146 162 164 180 200 206 252 260 266 272 294 326
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 326
Found by: desktop64
db: batch=69, k=20, 32 22 6 6 8 46 6 20 16 2
| SPT(14) | 208878936715952753 | 0 18 38 48 84 90 110 174 194 200 236 246 266 284 | -62801885874 |
| SPT(14) | 208878945813470221 | 0 22 46 58 78 142 148 210 216 280 300 312 336 358 | -53704368406 |
| TPT(12) | 208878946917083087 | 0 2 12 14 30 32 150 152 162 164 324 326 | -52600755540 |
| TPT(12) | 208878959926145609 | 0 2 18 20 42 44 48 50 78 80 102 104 | -39591693018 |
| TPT(12) | 208878971958321227 | 0 2 54 56 210 212 234 236 252 254 300 302 | -27559517400 |
| SPT(14) | 208878994506829501 | 0 10 18 28 30 72 78 220 226 268 270 280 288 298 | -5011009126 |
| SPT(14) | 208879018579552567 | 0 4 24 30 94 96 124 126 154 156 220 226 246 250 | 19061713940 |
| SPT(14) | 208879055123864561 | 0 2 36 38 120 132 140 198 206 218 300 302 336 338 | 55606025934 |
| TPT(12) | 208879076004188201 | 0 2 66 68 210 212 276 278 318 320 330 332 | 76486349574 |
| SPT(14) | 208879105203961441 | 0 18 30 58 60 106 162 196 252 298 300 328 340 358 | 105686122814 |
| SPT(14) | 208879109169120367 | 0 6 66 76 94 120 126 130 136 162 180 190 250 256 | 109651281740 |
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