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Prime Tuple Database
Prime p0= 1997918849174318549 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 50 64 14 12 12 16 26 40 6 32 6 40 26 16 12 12 14 64 50 (?)
an: 0 50 114 128 140 152 168 194 234 240 272 278 318 344 360 372 384 398 462 512
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 512
Found by: Dingo
db: batch=80, k=20, 50 64 14 12 12 16 26 40 6 32
dn: 0 50 64 14 12 12 16 26 40 6 32 6 40 26 16 12 12 14 64 50 (?)
an: 0 50 114 128 140 152 168 194 234 240 272 278 318 344 360 372 384 398 462 512
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 512
Found by: Dingo
db: batch=80, k=20, 50 64 14 12 12 16 26 40 6 32
| SPT(16) | 1997917457533717997 | 0 12 54 92 170 182 236 246 260 270 324 336 414 452 494 506 | -1391640600552 |
| STPT(10) | 1997917516837670339 | 0 2 18 20 30 32 42 44 60 62 | -1332336648210 |
| STPT(10) | 1997917535273882639 | 0 2 18 20 30 32 42 44 60 62 | -1313900435910 |
| SPT(16) | 1997918617497877289 | 0 74 98 120 158 204 210 234 284 308 314 360 398 420 444 518 | -231676441260 |
| SPT(16) | 1997918741334468721 | 0 66 88 126 132 156 208 226 252 270 322 346 352 390 412 478 | -107839849828 |
| STPT(10) | 1997918785049693237 | 0 2 30 32 42 44 54 56 84 86 | -64124625312 |
| STPT(10) | 1997918849253722807 | 0 2 24 26 42 44 60 62 84 86 | 79404258 |
| SPT(16) | 1997919759001279969 | 0 10 102 118 192 220 232 238 252 258 270 298 372 388 480 490 | 909826961420 |
| SPT(16) | 1997920440675071441 | 0 2 42 62 96 198 278 302 306 330 410 512 546 566 606 608 | 1591500752892 |
| STPT(10) | 1997920550080771871 | 0 2 36 38 78 80 120 122 156 158 | 1700906453322 |
| STPT(10) | 1997920570607020859 | 0 2 48 50 60 62 72 74 120 122 | 1721432702310 |
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