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Prime Tuple Database
Prime p0= 1991298660822402973 starts a
Symmetric tuple of 18 consecutive primes (SPT).
dn: 0 30 16 8 16 24 2 34 56 118 56 34 2 24 16 8 16 30 (?)
an: 0 30 46 54 70 94 96 130 186 304 360 394 396 420 436 444 460 490
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 490
Found by: [AF>Amis des Lapins] Phil1966
db: batch=80, k=18, 30 16 8 16 24 2 34 56 118
dn: 0 30 16 8 16 24 2 34 56 118 56 34 2 24 16 8 16 30 (?)
an: 0 30 46 54 70 94 96 130 186 304 360 394 396 420 436 444 460 490
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 490
Found by: [AF>Amis des Lapins] Phil1966
db: batch=80, k=18, 30 16 8 16 24 2 34 56 118
| STPT(10) | 1991297534819622851 | 0 2 6 8 48 50 90 92 96 98 | -1126002780122 |
| SPT(16) | 1991298131431332299 | 0 38 90 134 224 270 300 330 338 368 398 444 534 578 630 668 | -529391070674 |
| STPT(10) | 1991298486562152809 | 0 2 18 20 30 32 42 44 60 62 | -174260250164 |
| SPT(16) | 1991298523392102997 | 0 4 22 42 94 130 142 172 252 282 294 330 382 402 420 424 | -137430299976 |
| SPT(16) | 1991298562377191359 | 0 48 52 118 120 130 138 174 208 244 252 262 264 330 334 382 | -98445211614 |
| TPT(14) | 1991298582576032699 | 0 2 12 14 48 50 72 74 222 224 228 230 258 260 | -78246370274 |
| SPT(20) | 1991298706868095039 | 0 22 24 78 88 114 148 202 210 228 244 262 270 324 358 384 394 448 450 472 | 46045692066 |
| STPT(10) | 1991298927297337907 | 0 2 12 14 42 44 72 74 84 86 | 266474934934 |
| STPT(10) | 1991298967345524797 | 0 2 72 74 102 104 132 134 204 206 | 306523121824 |
| SPT(16) | 1991298995200600711 | 0 6 36 42 72 112 150 160 198 208 246 286 316 322 352 358 | 334378197738 |
| STPT(10) | 1991299784013048317 | 0 2 12 14 72 74 132 134 144 146 | 1123190645344 |
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