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Prime Tuple Database
Prime p0= 1978535514391742213 starts a
Symmetric tuple of 18 consecutive primes (SPT).
dn: 0 56 10 32 42 34 42 18 12 2 12 18 42 34 42 32 10 56 (?)
an: 0 56 66 98 140 174 216 234 246 248 260 278 320 354 396 428 438 494
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 494
Found by: Orange Kid
db: batch=80, k=18, 56 10 32 42 34 42 18 12 2
dn: 0 56 10 32 42 34 42 18 12 2 12 18 42 34 42 32 10 56 (?)
an: 0 56 66 98 140 174 216 234 246 248 260 278 320 354 396 428 438 494
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 494
Found by: Orange Kid
db: batch=80, k=18, 56 10 32 42 34 42 18 12 2
| STPT(10) | 1978533775274521079 | 0 2 18 20 30 32 42 44 60 62 | -1739117221134 |
| SPT(16) | 1978534447341691357 | 0 42 52 66 76 96 130 136 210 216 250 270 280 294 304 346 | -1067050050856 |
| TPT(14) | 1978534719656114591 | 0 2 108 110 168 170 210 212 240 242 270 272 318 320 | -794735627622 |
| STPT(10) | 1978534731943211987 | 0 2 30 32 42 44 54 56 84 86 | -782448530226 |
| SPT(16) | 1978534738370545391 | 0 2 26 36 56 66 78 122 126 170 182 192 212 222 246 248 | -776021196822 |
| TPT(14) | 1978534968269579831 | 0 2 60 62 66 68 138 140 150 152 168 170 276 278 | -546122162382 |
| SPT(16) | 1978535691189396149 | 0 32 84 114 150 158 170 192 230 252 264 272 308 338 390 422 | 176797653936 |
| SPT(16) | 1978535805192681311 | 0 36 120 132 180 222 240 246 252 258 276 318 366 378 462 498 | 290800939098 |
| STPT(10) | 1978535830080623267 | 0 2 24 26 42 44 60 62 84 86 | 315688881054 |
| STPT(10) | 1978535963721122171 | 0 2 36 38 78 80 120 122 156 158 | 449329379958 |
| STPT(10) | 1978536748343854841 | 0 2 6 8 18 20 30 32 36 38 | 1233952112628 |
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