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Prime Tuple Database
Prime p0= 1495749258921897659 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 18 20 4 30 8 28 50 34 26 16 26 34 50 28 8 30 4 20 18 (?)
an: 0 18 38 42 72 80 108 158 192 218 234 260 294 344 372 380 410 414 434 452
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 452
Found by: Skivelitis2
db: batch=78, k=20, 18 20 4 30 8 28 50 34 26 16
dn: 0 18 20 4 30 8 28 50 34 26 16 26 34 50 28 8 30 4 20 18 (?)
an: 0 18 38 42 72 80 108 158 192 218 234 260 294 344 372 380 410 414 434 452
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 452
Found by: Skivelitis2
db: batch=78, k=20, 18 20 4 30 8 28 50 34 26 16
| STPT(10) | 1495748544190992731 | 0 2 6 8 48 50 90 92 96 98 | -714730904928 |
| SPT(16) | 1495748569595847851 | 0 6 42 56 86 96 126 152 216 242 272 282 312 326 362 368 | -689326049808 |
| SPT(16) | 1495748591891569009 | 0 4 10 12 22 52 88 108 124 144 180 210 220 222 228 232 | -667030328650 |
| STPT(10) | 1495749028415858309 | 0 2 18 20 30 32 42 44 60 62 | -230506039350 |
| STPT(10) | 1495749039152683331 | 0 2 30 32 78 80 126 128 156 158 | -219769214328 |
| STPT(10) | 1495749042531398069 | 0 2 18 20 30 32 42 44 60 62 | -216390499590 |
| STPT(10) | 1495749607722114929 | 0 2 18 20 30 32 42 44 60 62 | 348800217270 |
| SPT(16) | 1495749845528206547 | 0 6 12 32 86 110 126 140 156 170 186 210 264 284 290 296 | 586606308888 |
| SPT(16) | 1495749957596112419 | 0 24 48 60 62 84 90 104 138 152 158 180 182 194 218 242 | 698674214760 |
| SPT(16) | 1495750813001917247 | 0 2 14 66 80 86 114 144 152 182 210 216 230 282 294 296 | 1554080019588 |
| SPT(16) | 1495750921275774523 | 0 76 120 136 166 180 204 210 274 280 304 318 348 364 408 484 | 1662353876864 |
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