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Prime Tuple Database
Prime p0= 1998820296846879167 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 50 4 30 30 6 26 10 48 12 44 12 48 10 26 6 30 30 4 50 (?)
an: 0 50 54 84 114 120 146 156 204 216 260 272 320 330 356 362 392 422 426 476
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 476
Found by: Orange Kid
db: batch=80, k=20, 50 4 30 30 6 26 10 48 12 44
dn: 0 50 4 30 30 6 26 10 48 12 44 12 48 10 26 6 30 30 4 50 (?)
an: 0 50 54 84 114 120 146 156 204 216 260 272 320 330 356 362 392 422 426 476
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 476
Found by: Orange Kid
db: batch=80, k=20, 50 4 30 30 6 26 10 48 12 44
| SPT(16) | 1998819182202618233 | 0 6 24 44 54 146 168 188 216 236 258 350 360 380 398 404 | -1114644260934 |
| STPT(12) | 1998819282148088597 | 0 2 30 32 42 44 72 74 84 86 114 116 | -1014698790570 |
| STPT(10) | 1998819502091329439 | 0 2 18 20 30 32 42 44 60 62 | -794755549728 |
| STPT(10) | 1998819563713507817 | 0 2 84 86 102 104 120 122 204 206 | -733133371350 |
| STPT(10) | 1998819738853183031 | 0 2 36 38 78 80 120 122 156 158 | -557993696136 |
| STPT(10) | 1998820124405407739 | 0 2 18 20 60 62 102 104 120 122 | -172441471428 |
| STPT(10) | 1998820389419711909 | 0 2 18 20 60 62 102 104 120 122 | 92572832742 |
| SPT(16) | 1998821157007250713 | 0 48 60 76 88 90 144 180 274 310 364 366 378 394 406 454 | 860160371546 |
| SPT(16) | 1998821658582000991 | 0 6 36 90 112 138 162 190 258 286 310 336 358 412 442 448 | 1361735121824 |
| STPT(10) | 1998821773661696717 | 0 2 24 26 42 44 60 62 84 86 | 1476814817550 |
| STPT(10) | 1998821775494494859 | 0 2 18 20 30 32 42 44 60 62 | 1478647615692 |
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