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Prime Tuple Database
Prime p0= 1997854917569991079 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 54 34 2 4 14 24 36 34 6 56 6 34 36 24 14 4 2 34 54 (?)
an: 0 54 88 90 94 108 132 168 202 208 264 270 304 340 364 378 382 384 418 472
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 472
Found by: Chooka
db: batch=80, k=20, 54 34 2 4 14 24 36 34 6 56
dn: 0 54 34 2 4 14 24 36 34 6 56 6 34 36 24 14 4 2 34 54 (?)
an: 0 54 88 90 94 108 132 168 202 208 264 270 304 340 364 378 382 384 418 472
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 472
Found by: Chooka
db: batch=80, k=20, 54 34 2 4 14 24 36 34 6 56
| STPT(10) | 1997852937519379709 | 0 2 18 20 30 32 42 44 60 62 | -1980050611370 |
| SPT(16) | 1997853075618881561 | 0 6 26 90 92 98 120 132 176 188 210 216 218 282 302 308 | -1841951109518 |
| STPT(10) | 1997853457936399211 | 0 2 36 38 78 80 120 122 156 158 | -1459633591868 |
| SPT(16) | 1997853544781328803 | 0 20 24 66 84 86 108 128 186 206 228 230 248 290 294 314 | -1372788662276 |
| STPT(10) | 1997854600862013911 | 0 2 6 8 108 110 210 212 216 218 | -316707977168 |
| SPT(16) | 1997854707231266293 | 0 34 40 48 54 114 154 210 244 300 340 400 406 414 420 454 | -210338724786 |
| SPT(16) | 1997855358251299721 | 0 26 42 98 128 132 152 168 170 186 206 210 240 296 312 338 | 440681308642 |
| STPT(10) | 1997855401784658629 | 0 2 12 14 90 92 168 170 180 182 | 484214667550 |
| STPT(10) | 1997855475615948857 | 0 2 30 32 42 44 54 56 84 86 | 558045957778 |
| STPT(10) | 1997855580893284907 | 0 2 42 44 132 134 222 224 264 266 | 663323293828 |
| STPT(10) | 1997855637554490557 | 0 2 30 32 42 44 54 56 84 86 | 719984499478 |
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