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Prime Tuple Database
Prime p0= 399217734494414909 starts a
Symmetric tuple of 18 consecutive primes (SPT).
dn: 0 2 40 8 4 26 72 10 2 46 2 10 72 26 4 8 40 2 (?)
an: 0 2 42 50 54 80 152 162 164 210 212 222 294 320 324 332 372 374
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 374
Found by: Cruncher Pete
db: batch=70, k=18, 2 40 8 4 26 72 10 2 46
dn: 0 2 40 8 4 26 72 10 2 46 2 10 72 26 4 8 40 2 (?)
an: 0 2 42 50 54 80 152 162 164 210 212 222 294 320 324 332 372 374
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 374
Found by: Cruncher Pete
db: batch=70, k=18, 2 40 8 4 26 72 10 2 46
| SPT(14) | 399217693603743841 | 0 22 40 66 138 166 172 186 192 220 292 318 336 358 | -40890671068 |
| SPT(14) | 399217707344526043 | 0 18 36 96 106 156 190 204 238 288 298 358 376 394 | -27149888866 |
| TPT(12) | 399217714461752231 | 0 2 66 68 78 80 90 92 180 182 216 218 | -20032662678 |
| TPT(12) | 399217728681624737 | 0 2 24 26 84 86 222 224 252 254 294 296 | -5812790172 |
| SPT(14) | 399217731260957699 | 0 32 62 68 102 182 188 192 198 278 312 318 348 380 | -3233457210 |
| STPT(10) | 399217732102558487 | 0 2 24 26 42 44 60 62 84 86 | -2391856422 |
| SPT(16) | 399217743976862471 | 0 6 12 38 66 108 110 126 152 168 170 212 240 266 272 278 | 9482447562 |
| SPT(14) | 399217744536715231 | 0 28 46 58 72 106 130 138 162 196 210 222 240 268 | 10042300322 |
| SPT(14) | 399217750826518711 | 0 28 42 58 96 148 162 226 240 292 330 346 360 388 | 16332103802 |
| SPT(16) | 399217752452033947 | 0 54 60 66 70 84 102 106 150 154 172 186 190 196 202 256 | 17957619038 |
| TPT(12) | 399217752877912049 | 0 2 30 32 72 74 102 104 222 224 252 254 | 18383497140 |
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