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Prime Tuple Database
Prime p0= 1971795798139298431 starts a
Symmetric tuple of 18 consecutive primes (SPT).
dn: 0 28 14 16 2 76 24 50 12 34 12 50 24 76 2 16 14 28 (?)
an: 0 28 42 58 60 136 160 210 222 256 268 318 342 418 420 436 450 478
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 478
Found by: eclipse99
db: batch=80, k=18, 28 14 16 2 76 24 50 12 34
dn: 0 28 14 16 2 76 24 50 12 34 12 50 24 76 2 16 14 28 (?)
an: 0 28 42 58 60 136 160 210 222 256 268 318 342 418 420 436 450 478
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 478
Found by: eclipse99
db: batch=80, k=18, 28 14 16 2 76 24 50 12 34
| STPT(10) | 1971794905586017397 | 0 2 30 32 72 74 114 116 144 146 | -892553281034 |
| SPT(16) | 1971795134068218961 | 0 6 40 42 52 120 138 160 168 190 208 276 286 288 322 328 | -664071079470 |
| STPT(10) | 1971795158602545629 | 0 2 90 92 150 152 210 212 300 302 | -639536752802 |
| STPT(10) | 1971795336429693209 | 0 2 30 32 120 122 210 212 240 242 | -461709605222 |
| STPT(10) | 1971795476625665267 | 0 2 90 92 150 152 210 212 300 302 | -321513633164 |
| STPT(10) | 1971795738903858779 | 0 2 18 20 30 32 42 44 60 62 | -59235439652 |
| SPT(16) | 1971795906087862853 | 0 8 48 50 84 104 110 164 204 258 264 284 318 320 360 368 | 107948564422 |
| SPT(16) | 1971795907741959569 | 0 12 72 90 138 140 218 222 260 264 342 344 392 410 470 482 | 109602661138 |
| SPT(16) | 1971796200570688381 | 0 10 60 70 108 156 198 222 226 250 292 340 378 388 438 448 | 402431389950 |
| STPT(10) | 1971796323475225067 | 0 2 60 62 72 74 84 86 144 146 | 525335926636 |
| STPT(10) | 1971796326416450291 | 0 2 6 8 18 20 30 32 36 38 | 528277151860 |
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