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Prime Tuple Database
Prime p0= 1957888032937348871 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 6 26 28 38 4 26 42 12 6 22 6 12 42 26 4 38 28 26 6 (?)
an: 0 6 32 60 98 102 128 170 182 188 210 216 228 270 296 300 338 366 392 398
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 398
Found by: Donn Pike (USAF Ret)
db: batch=80, k=20, 6 26 28 38 4 26 42 12 6 22
dn: 0 6 26 28 38 4 26 42 12 6 22 6 12 42 26 4 38 28 26 6 (?)
an: 0 6 32 60 98 102 128 170 182 188 210 216 228 270 296 300 338 366 392 398
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 398
Found by: Donn Pike (USAF Ret)
db: batch=80, k=20, 6 26 28 38 4 26 42 12 6 22
| SPT(18) | 1957887002143140461 | 0 2 32 42 60 68 128 138 152 156 170 180 240 248 266 276 306 308 | -1030794208410 |
| SPT(13) | 1957887100634806279 | 0 30 42 60 72 102 120 138 168 180 198 210 240 | -932302542592 |
| TPT(14) | 1957887473383992971 | 0 2 36 38 186 188 198 200 210 212 228 230 300 302 | -559553355900 |
| STPT(10) | 1957887492566856671 | 0 2 6 8 18 20 30 32 36 38 | -540370492200 |
| STPT(10) | 1957887550321687727 | 0 2 30 32 42 44 54 56 84 86 | -482615661144 |
| STPT(10) | 1957887854837360231 | 0 2 30 32 60 62 90 92 120 122 | -178099988640 |
| STPT(10) | 1957888134419458247 | 0 2 30 32 42 44 54 56 84 86 | 101482109376 |
| STPT(10) | 1957888178868037457 | 0 2 30 32 42 44 54 56 84 86 | 145930688586 |
| SPT(16) | 1957889435558693647 | 0 6 22 52 90 114 124 142 174 192 202 226 264 294 310 316 | 1402621344776 |
| SPT(16) | 1957889448512487701 | 0 2 8 56 102 122 126 242 246 362 366 386 432 480 486 488 | 1415575138830 |
| SPT(16) | 1957889553791709427 | 0 24 60 66 112 130 136 180 196 240 246 264 310 316 352 376 | 1520854360556 |
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