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Prime Tuple Database
Prime p0= 1991387988070487113 starts a
Symmetric tuple of 16 consecutive primes (SPT).
dn: 0 6 42 12 18 22 18 12 14 12 18 22 18 12 42 6 (?)
an: 0 6 48 60 78 100 118 130 144 156 174 196 214 226 268 274
All 16 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 274
Found by: [AF>Amis des Lapins] Phil1966
db: batch=80, k=16, 6 42 12 18 22 18 12 14
dn: 0 6 42 12 18 22 18 12 14 12 18 22 18 12 42 6 (?)
an: 0 6 48 60 78 100 118 130 144 156 174 196 214 226 268 274
All 16 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 274
Found by: [AF>Amis des Lapins] Phil1966
db: batch=80, k=16, 6 42 12 18 22 18 12 14
| SPT(18) | 1991386225474978193 | 0 44 54 60 98 138 158 180 200 234 254 276 296 336 374 380 390 434 | -1762595508920 |
| STPT(10) | 1991386290297653069 | 0 2 42 44 60 62 78 80 120 122 | -1697772834044 |
| STPT(10) | 1991386888980100457 | 0 2 24 26 42 44 60 62 84 86 | -1099090386656 |
| STPT(10) | 1991387067924960029 | 0 2 18 20 60 62 102 104 120 122 | -920145527084 |
| TPT(14) | 1991387186692134557 | 0 2 54 56 60 62 72 74 102 104 132 134 174 176 | -801378352556 |
| SPT(16) | 1991387785140107027 | 0 20 50 56 86 90 104 116 174 186 200 204 234 240 270 290 | -202930380086 |
| STPT(10) | 1991388077002668317 | 0 2 30 32 42 44 54 56 84 86 | 88932181204 |
| STPT(10) | 1991389054394552621 | 0 2 6 8 48 50 90 92 96 98 | 1066324065508 |
| SPT(16) | 1991389058399364677 | 0 56 62 110 146 152 162 186 260 284 294 300 336 384 390 446 | 1070328877564 |
| STPT(10) | 1991389665075576581 | 0 2 6 8 48 50 90 92 96 98 | 1677005089468 |
| TPT(14) | 1991389922446002161 | 0 2 108 110 150 152 180 182 228 230 516 518 576 578 | 1934375515048 |
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