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Prime Tuple Database
Prime p0= 1257802551893661421 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 16 42 24 20 10 8 18 4 14 16 14 4 18 8 10 20 24 42 16 (?)
an: 0 16 58 82 102 112 120 138 142 156 172 186 190 208 216 226 246 270 312 328
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 328
Found by: mikey
db: batch=77, k=20, 16 42 24 20 10 8 18 4 14 16
dn: 0 16 42 24 20 10 8 18 4 14 16 14 4 18 8 10 20 24 42 16 (?)
an: 0 16 58 82 102 112 120 138 142 156 172 186 190 208 216 226 246 270 312 328
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 328
Found by: mikey
db: batch=77, k=20, 16 42 24 20 10 8 18 4 14 16
| SPT(16) | 1257801357791973941 | 0 20 78 86 116 150 156 168 248 260 266 300 330 338 396 416 | -1194101687480 |
| SPT(16) | 1257801722955146693 | 0 60 86 98 104 120 156 168 176 188 224 240 246 258 284 344 | -828938514728 |
| STPT(10) | 1257801819089346077 | 0 2 30 32 42 44 54 56 84 86 | -732804315344 |
| STPT(10) | 1257801907934182319 | 0 2 18 20 60 62 102 104 120 122 | -643959479102 |
| STPT(10) | 1257801973764298559 | 0 2 42 44 60 62 78 80 120 122 | -578129362862 |
| SPT(16) | 1257802461630498341 | 0 50 110 132 162 216 260 276 302 318 362 416 446 468 528 578 | -90263163080 |
| TPT(14) | 1257802694122576421 | 0 2 30 32 120 122 210 212 240 242 336 338 378 380 | 142228915000 |
| STPT(10) | 1257802694122576421 | 0 2 30 32 120 122 210 212 240 242 | 142228915000 |
| STPT(12) | 1257803253622328591 | 0 2 6 8 48 50 78 80 120 122 126 128 | 701728667170 |
| STPT(10) | 1257803522196056567 | 0 2 12 14 132 134 252 254 264 266 | 970302395146 |
| TPT(14) | 1257804255945735467 | 0 2 60 62 222 224 264 266 294 296 300 302 312 314 | 1704052074046 |
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