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Prime Tuple Database
Prime p0= 1980841698497008811 starts a
Symmetric tuple of 18 consecutive primes (SPT).
dn: 0 18 20 12 108 4 14 34 56 136 56 34 14 4 108 12 20 18 (?)
an: 0 18 38 50 158 162 176 210 266 402 458 492 506 510 618 630 650 668
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 668
Found by: conf [MM]
db: batch=80, k=18, 18 20 12 108 4 14 34 56 136
dn: 0 18 20 12 108 4 14 34 56 136 56 34 14 4 108 12 20 18 (?)
an: 0 18 38 50 158 162 176 210 266 402 458 492 506 510 618 630 650 668
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 668
Found by: conf [MM]
db: batch=80, k=18, 18 20 12 108 4 14 34 56 136
| SPT(16) | 1980840364043491481 | 0 6 20 38 48 110 116 126 170 180 186 248 258 276 290 296 | -1334453517330 |
| STPT(10) | 1980840692063797349 | 0 2 30 32 60 62 90 92 120 122 | -1006433211462 |
| STPT(10) | 1980840873836586077 | 0 2 30 32 42 44 54 56 84 86 | -824660422734 |
| STPT(10) | 1980841233723065447 | 0 2 24 26 42 44 60 62 84 86 | -464773943364 |
| STPT(10) | 1980841591577940587 | 0 2 12 14 42 44 72 74 84 86 | -106919068224 |
| TPT(16) | 1980841662310119071 | 0 2 36 38 66 68 78 80 126 128 138 140 150 152 156 158 | -36186889740 |
| STPT(10) | 1980841781033687459 | 0 2 18 20 30 32 42 44 60 62 | 82536678648 |
| STPT(10) | 1980841793151881507 | 0 2 12 14 42 44 72 74 84 86 | 94654872696 |
| STPT(10) | 1980842051018026631 | 0 2 66 68 138 140 210 212 276 278 | 352521017820 |
| SPT(16) | 1980842191699149433 | 0 4 46 48 64 84 238 240 244 246 400 420 436 438 480 484 | 493202140622 |
| SPT(16) | 1980842386593421633 | 0 6 58 196 210 220 244 256 258 270 294 304 318 456 508 514 | 688096412822 |
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