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Prime Tuple Database
Prime p0= 1997318245410357341 starts a
Symmetric tuple of 18 consecutive primes (SPT).
dn: 0 8 54 48 28 12 18 2 46 206 46 2 18 12 28 48 54 8 (?)
an: 0 8 62 110 138 150 168 170 216 422 468 470 488 500 528 576 630 638
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 638
Found by: Chooka
db: batch=80, k=18, 8 54 48 28 12 18 2 46 206
dn: 0 8 54 48 28 12 18 2 46 206 46 2 18 12 28 48 54 8 (?)
an: 0 8 62 110 138 150 168 170 216 422 468 470 488 500 528 576 630 638
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 638
Found by: Chooka
db: batch=80, k=18, 8 54 48 28 12 18 2 46 206
| SPT(16) | 1997317413591028031 | 0 42 66 72 96 110 128 140 198 210 228 242 266 272 296 338 | -831819329310 |
| STPT(10) | 1997317455319162181 | 0 2 6 8 18 20 30 32 36 38 | -790091195160 |
| STPT(10) | 1997317475380411757 | 0 2 42 44 72 74 102 104 144 146 | -770029945584 |
| STPT(10) | 1997317818184635647 | 0 2 30 32 42 44 54 56 84 86 | -427225721694 |
| TPT(14) | 1997318221852905311 | 0 2 96 98 138 140 258 260 456 458 516 518 546 548 | -23557452030 |
| STPT(10) | 1997318243201437757 | 0 2 12 14 42 44 72 74 84 86 | -2208919584 |
| STPT(10) | 1997318301753222977 | 0 2 12 14 42 44 72 74 84 86 | 56342865636 |
| SPT(16) | 1997318386989158357 | 0 14 36 56 126 144 182 192 194 204 242 260 330 350 372 386 | 141578801016 |
| SPT(16) | 1997318802327492881 | 0 32 80 90 98 108 210 212 228 230 332 342 350 360 408 440 | 556917135540 |
| STPT(10) | 1997319062002944047 | 0 2 30 32 42 44 54 56 84 86 | 816592586706 |
| SPT(16) | 1997319353152493297 | 0 44 56 72 90 92 110 134 222 246 264 266 284 300 312 356 | 1107742135956 |
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