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Prime Tuple Database
Prime p0= 396956896237149097 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 42 22 12 8 16 20 6 6 28 86 28 6 6 20 16 8 12 22 42 (?)
an: 0 42 64 76 84 100 120 126 132 160 246 274 280 286 306 322 330 342 364 406
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 406
Found by: Cruncher Pete
db: batch=70, k=20, 42 22 12 8 16 20 6 6 28 86
dn: 0 42 22 12 8 16 20 6 6 28 86 28 6 6 20 16 8 12 22 42 (?)
an: 0 42 64 76 84 100 120 126 132 160 246 274 280 286 306 322 330 342 364 406
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 406
Found by: Cruncher Pete
db: batch=70, k=20, 42 22 12 8 16 20 6 6 28 86
| SPT(14) | 396956844797444713 | 0 4 28 60 64 94 130 168 204 234 238 270 294 298 | -51439704384 |
| TPT(12) | 396956848828748939 | 0 2 78 80 108 110 120 122 168 170 210 212 | -47408400158 |
| SPT(14) | 396956850864955181 | 0 38 78 80 110 138 210 218 290 318 348 350 390 428 | -45372193916 |
| TPT(12) | 396956852186902457 | 0 2 72 74 84 86 114 116 132 134 162 164 | -44050246640 |
| TPT(12) | 396956866684622747 | 0 2 42 44 84 86 114 116 150 152 252 254 | -29552526350 |
| TPT(12) | 396956875537156607 | 0 2 72 74 252 254 294 296 324 326 330 332 | -20699992490 |
| TPT(12) | 396956900544915251 | 0 2 6 8 36 38 78 80 168 170 186 188 | 4307766154 |
| SPT(14) | 396956906714711969 | 0 20 62 72 90 108 110 192 194 212 230 240 282 302 | 10477562872 |
| TPT(12) | 396956915451154367 | 0 2 24 26 72 74 114 116 192 194 234 236 | 19214005270 |
| SPT(14) | 396956927243020799 | 0 20 30 42 84 90 92 132 134 140 182 194 204 224 | 31005871702 |
| SPT(14) | 396956935858308979 | 0 4 10 54 60 114 130 138 154 208 214 258 264 268 | 39621159882 |
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