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Prime Tuple Database
Prime p0= 21631499322824383 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 6 22 72 8 52 18 20 22 6 44 6 22 20 18 52 8 72 22 6 (?)
an: 0 6 28 100 108 160 178 198 220 226 270 276 298 318 336 388 396 468 490 496
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 496
Found by: Paul
db: batch=65, k=20, 6 22 72 8 52 18 20 22 6 44
dn: 0 6 22 72 8 52 18 20 22 6 44 6 22 20 18 52 8 72 22 6 (?)
an: 0 6 28 100 108 160 178 198 220 226 270 276 298 318 336 388 396 468 490 496
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 496
Found by: Paul
db: batch=65, k=20, 6 22 72 8 52 18 20 22 6 44
| TPT(12) | 21631478371269197 | 0 2 12 14 30 32 252 254 312 314 342 344 | -20951555186 |
| SPT(14) | 21631483621715251 | 0 22 70 76 78 102 138 190 226 250 252 258 306 328 | -15701109132 |
| SPT(14) | 21631488286427633 | 0 8 18 38 56 60 78 98 116 120 138 158 168 176 | -11036396750 |
| SPT(14) | 21631489532005343 | 0 18 20 44 56 116 146 198 228 288 300 324 326 344 | -9790819040 |
| SPT(14) | 21631493035054961 | 0 42 86 102 156 158 170 288 300 302 356 372 416 458 | -6287769422 |
| TPT(12) | 21631499008679951 | 0 2 66 68 96 98 156 158 180 182 186 188 | -314144432 |
| TPT(12) | 21631506624990641 | 0 2 78 80 108 110 168 170 198 200 240 242 | 7302166258 |
| TPT(12) | 21631514235389789 | 0 2 42 44 132 134 168 170 210 212 222 224 | 14912565406 |
| TPT(12) | 21631522036053107 | 0 2 90 92 162 164 204 206 222 224 234 236 | 22713228724 |
| TPT(12) | 21631523815199381 | 0 2 30 32 66 68 96 98 150 152 270 272 | 24492374998 |
| SPT(16) | 21631528570266187 | 0 4 16 40 42 52 66 82 114 130 144 154 156 180 192 196 | 29247441804 |
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