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Prime Tuple Database
Prime p0= 346515852220091293 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 18 16 14 36 22 42 6 14 12 64 12 14 6 42 22 36 14 16 18 (?)
an: 0 18 34 48 84 106 148 154 168 180 244 256 270 276 318 340 376 390 406 424
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 424
Found by: Cruncher Pete
db: batch=70, k=20, 18 16 14 36 22 42 6 14 12 64
dn: 0 18 16 14 36 22 42 6 14 12 64 12 14 6 42 22 36 14 16 18 (?)
an: 0 18 34 48 84 106 148 154 168 180 244 256 270 276 318 340 376 390 406 424
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 424
Found by: Cruncher Pete
db: batch=70, k=20, 18 16 14 36 22 42 6 14 12 64
| SPT(14) | 346515789833110409 | 0 12 30 42 50 72 74 78 80 102 110 122 140 152 | -62386980884 |
| SPT(14) | 346515799441150753 | 0 60 88 100 144 168 196 228 256 280 324 336 364 424 | -52778940540 |
| TPT(12) | 346515808037794139 | 0 2 90 92 108 110 132 134 162 164 318 320 | -44182297154 |
| SPT(14) | 346515819698838379 | 0 58 72 94 130 168 184 228 244 282 318 340 354 412 | -32521252914 |
| TPT(12) | 346515821093440679 | 0 2 18 20 48 50 102 104 132 134 168 170 | -31126650614 |
| SPT(14) | 346515841928950891 | 0 18 60 106 136 178 280 288 390 432 462 508 550 568 | -10291140402 |
| TPT(12) | 346515856763814971 | 0 2 6 8 36 38 48 50 60 62 78 80 | 4543723678 |
| SPT(14) | 346515862287495661 | 0 82 88 120 148 208 222 286 300 360 388 420 426 508 | 10067404368 |
| TPT(12) | 346515864932812871 | 0 2 30 32 36 38 90 92 126 128 156 158 | 12712721578 |
| TPT(12) | 346515903206839307 | 0 2 12 14 30 32 42 44 60 62 132 134 | 50986748014 |
| SPT(14) | 346515914164504213 | 0 10 24 30 48 94 100 108 114 160 178 184 198 208 | 61944412920 |
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