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Prime Tuple Database
Prime p0= 1997997640075705783 starts a
Symmetric tuple of 18 consecutive primes (SPT).
dn: 0 40 8 6 22 30 8 4 78 62 78 4 8 30 22 6 8 40 (?)
an: 0 40 48 54 76 106 114 118 196 258 336 340 348 378 400 406 414 454
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 454
Found by: Chooka
db: batch=80, k=18, 40 8 6 22 30 8 4 78 62
dn: 0 40 8 6 22 30 8 4 78 62 78 4 8 30 22 6 8 40 (?)
an: 0 40 48 54 76 106 114 118 196 258 336 340 348 378 400 406 414 454
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 454
Found by: Chooka
db: batch=80, k=18, 40 8 6 22 30 8 4 78 62
| SPT(16) | 1997996707017375157 | 0 22 30 64 84 106 136 172 174 210 240 262 282 316 324 346 | -933058330626 |
| STPT(10) | 1997996890807215827 | 0 2 42 44 72 74 102 104 144 146 | -749268489956 |
| STPT(10) | 1997997360748858949 | 0 2 18 20 30 32 42 44 60 62 | -279326846834 |
| STPT(10) | 1997997585011491241 | 0 2 6 8 48 50 90 92 96 98 | -55064214542 |
| STPT(10) | 1997997628108041137 | 0 2 30 32 42 44 54 56 84 86 | -11967664646 |
| STPT(10) | 1997997630479544257 | 0 2 90 92 132 134 174 176 264 266 | -9596161526 |
| SPT(16) | 1997998194555048793 | 0 24 64 94 106 118 130 144 160 174 186 198 210 240 280 304 | 554479343010 |
| STPT(10) | 1997998211247317759 | 0 2 18 20 30 32 42 44 60 62 | 571171611976 |
| SPT(16) | 1997998298434486087 | 0 4 10 22 36 70 76 82 174 180 186 220 234 246 252 256 | 658358780304 |
| STPT(10) | 1997998467421193759 | 0 2 18 20 30 32 42 44 60 62 | 827345487976 |
| STPT(10) | 1997998514007205667 | 0 2 24 26 42 44 60 62 84 86 | 873931499884 |
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