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Prime Tuple Database
Prime p0= 1997819628364664327 starts a
Symmetric tuple of 18 consecutive primes (SPT).
dn: 0 42 12 30 2 84 24 30 10 8 10 30 24 84 2 30 12 42 (?)
an: 0 42 54 84 86 170 194 224 234 242 252 282 306 390 392 422 434 476
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 476
Found by: matsu_pl
db: batch=80, k=18, 42 12 30 2 84 24 30 10 8
dn: 0 42 12 30 2 84 24 30 10 8 10 30 24 84 2 30 12 42 (?)
an: 0 42 54 84 86 170 194 224 234 242 252 282 306 390 392 422 434 476
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 476
Found by: matsu_pl
db: batch=80, k=18, 42 12 30 2 84 24 30 10 8
| STPT(10) | 1997817828440538719 | 0 2 18 20 30 32 42 44 60 62 | -1799924125608 |
| STPT(10) | 1997818203979924787 | 0 2 24 26 42 44 60 62 84 86 | -1424384739540 |
| SPT(13) | 1997818241966923619 | 0 12 18 42 48 78 90 102 132 138 162 168 180 | -1386397740708 |
| STPT(10) | 1997818649412896279 | 0 2 12 14 30 32 48 50 60 62 | -978951768048 |
| STPT(10) | 1997818903894785467 | 0 2 12 14 42 44 72 74 84 86 | -724469878860 |
| STPT(10) | 1997818927348037621 | 0 2 36 38 78 80 120 122 156 158 | -701016626706 |
| TPT(14) | 1997819769221632331 | 0 2 120 122 180 182 258 260 318 320 378 380 456 458 | 140856968004 |
| STPT(10) | 1997819769221632511 | 0 2 78 80 138 140 198 200 276 278 | 140856968184 |
| STPT(10) | 1997820145921695881 | 0 2 36 38 78 80 120 122 156 158 | 517557031554 |
| TPT(14) | 1997820933546210761 | 0 2 30 32 48 50 126 128 288 290 336 338 396 398 | 1305181546434 |
| STPT(10) | 1997821369078639199 | 0 2 18 20 30 32 42 44 60 62 | 1740713974872 |
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