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Prime Tuple Database
Prime p0= 2109218619356247667 starts a
Symmetric tuple of 18 consecutive primes (SPT).
dn: 0 34 30 68 28 32 4 8 40 68 40 8 4 32 28 68 30 34 (?)
an: 0 34 64 132 160 192 196 204 244 312 352 360 364 396 424 492 522 556
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 556
Found by: conf [MM]
db: batch=80, k=18, 34 30 68 28 32 4 8 40 68
dn: 0 34 30 68 28 32 4 8 40 68 40 8 4 32 28 68 30 34 (?)
an: 0 34 64 132 160 192 196 204 244 312 352 360 364 396 424 492 522 556
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 556
Found by: conf [MM]
db: batch=80, k=18, 34 30 68 28 32 4 8 40 68
| SPT(16) | 2109216794978652647 | 0 14 56 66 74 96 116 122 144 150 170 192 200 210 252 266 | -1824377595020 |
| STPT(10) | 2109217568436904337 | 0 2 24 26 42 44 60 62 84 86 | -1050919343330 |
| SPT(16) | 2109217631524152319 | 0 34 42 84 102 120 144 178 294 328 352 370 388 430 438 472 | -987832095348 |
| STPT(10) | 2109217783423101887 | 0 2 30 32 42 44 54 56 84 86 | -835933145780 |
| STPT(10) | 2109218400481499579 | 0 2 18 20 30 32 42 44 60 62 | -218874748088 |
| STPT(10) | 2109218605445422451 | 0 2 36 38 78 80 120 122 156 158 | -13910825216 |
| STPT(10) | 2109218631796703627 | 0 2 54 56 72 74 90 92 144 146 | 12440455960 |
| STPT(10) | 2109218766027727769 | 0 2 18 20 30 32 42 44 60 62 | 146671480102 |
| STPT(10) | 2109218877482174597 | 0 2 12 14 42 44 72 74 84 86 | 258125926930 |
| SPT(16) | 2109218923558105727 | 0 14 20 44 60 92 102 144 200 242 252 284 300 324 330 344 | 304201858060 |
| STPT(10) | 2109218956108460267 | 0 2 30 32 42 44 54 56 84 86 | 336752212600 |
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