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Prime Tuple Database
Prime p0= 428578820594809477 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 4 18 44 28 26 4 2 4 24 8 24 4 2 4 26 28 44 18 4 (?)
an: 0 4 22 66 94 120 124 126 130 154 162 186 190 192 196 222 250 294 312 316
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 316
Found by: Cruncher Pete
db: batch=70, k=20, 4 18 44 28 26 4 2 4 24 8
dn: 0 4 18 44 28 26 4 2 4 24 8 24 4 2 4 26 28 44 18 4 (?)
an: 0 4 22 66 94 120 124 126 130 154 162 186 190 192 196 222 250 294 312 316
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 316
Found by: Cruncher Pete
db: batch=70, k=20, 4 18 44 28 26 4 2 4 24 8
| SPT(14) | 428578746012711739 | 0 18 30 84 154 168 180 202 214 228 298 352 364 382 | -74582097738 |
| SPT(14) | 428578746213959053 | 0 100 108 114 130 136 180 214 258 264 280 286 294 394 | -74380850424 |
| SPT(14) | 428578757075464019 | 0 12 24 90 98 114 138 164 188 204 212 278 290 302 | -63519345458 |
| SPT(14) | 428578786897296107 | 0 2 20 86 114 140 206 300 366 392 420 486 504 506 | -33697513370 |
| SPT(14) | 428578817470152103 | 0 54 88 118 124 138 184 210 256 270 276 306 340 394 | -3124657374 |
| SPT(14) | 428578819122332953 | 0 40 46 90 100 106 118 126 138 144 154 198 204 244 | -1472476524 |
| TPT(12) | 428578821588871097 | 0 2 102 104 174 176 180 182 210 212 240 242 | 994061620 |
| SPT(14) | 428578919158092467 | 0 36 62 66 90 114 140 156 182 206 230 234 260 296 | 98563282990 |
| TPT(12) | 428578921164376259 | 0 2 90 92 132 134 168 170 180 182 222 224 | 100569566782 |
| TPT(12) | 428578947482790017 | 0 2 60 62 144 146 180 182 210 212 240 242 | 126887980540 |
| TPT(12) | 428578966331896361 | 0 2 78 80 120 122 126 128 216 218 258 260 | 145737086884 |
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