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Prime Tuple Database
Prime p0= 399643215987297181 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 18 4 6 32 22 18 6 14 10 8 10 14 6 18 22 32 6 4 18 (?)
an: 0 18 22 28 60 82 100 106 120 130 138 148 162 168 186 208 240 246 250 268
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 268
Found by: Cruncher Pete
db: batch=70, k=20, 18 4 6 32 22 18 6 14 10 8
dn: 0 18 4 6 32 22 18 6 14 10 8 10 14 6 18 22 32 6 4 18 (?)
an: 0 18 22 28 60 82 100 106 120 130 138 148 162 168 186 208 240 246 250 268
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 268
Found by: Cruncher Pete
db: batch=70, k=20, 18 4 6 32 22 18 6 14 10 8
| SPT(14) | 399643150986239983 | 0 60 64 124 130 190 250 270 330 390 396 456 460 520 | -65001057198 |
| SPT(14) | 399643157578165339 | 0 12 90 100 142 144 174 178 208 210 252 262 340 352 | -58409131842 |
| SPT(16) | 399643170417911257 | 0 24 36 70 84 120 136 160 246 270 286 322 336 370 382 406 | -45569385924 |
| SPT(14) | 399643171507216601 | 0 66 68 72 170 198 236 252 290 318 416 420 422 488 | -44480080580 |
| SPT(14) | 399643209345583367 | 0 6 14 20 36 50 84 86 120 134 150 156 164 170 | -6641713814 |
| TPT(12) | 399643211272701659 | 0 2 72 74 102 104 198 200 222 224 228 230 | -4714595522 |
| SPT(14) | 399643223725745863 | 0 40 66 100 106 120 138 166 184 198 204 238 264 304 | 7738448682 |
| SPT(14) | 399643243702839823 | 0 18 60 70 84 108 144 220 256 280 294 304 346 364 | 27715542642 |
| SPT(14) | 399643253246651933 | 0 8 44 68 74 84 96 98 110 120 126 150 186 194 | 37259354752 |
| SPT(14) | 399643281813652873 | 0 24 34 84 94 96 124 126 154 156 166 216 226 250 | 65826355692 |
| SPT(14) | 399643315686265337 | 0 24 44 92 102 120 140 186 206 224 234 282 302 326 | 99698968156 |
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