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Prime Tuple Database
Prime p0= 421835133645346481 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 12 44 34 20 16 26 4 14 6 46 6 14 4 26 16 20 34 44 12 (?)
an: 0 12 56 90 110 126 152 156 170 176 222 228 242 246 272 288 308 342 386 398
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 398
Found by: Ralfy
db: batch=70, k=20, 12 44 34 20 16 26 4 14 6 46
dn: 0 12 44 34 20 16 26 4 14 6 46 6 14 4 26 16 20 34 44 12 (?)
an: 0 12 56 90 110 126 152 156 170 176 222 228 242 246 272 288 308 342 386 398
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 398
Found by: Ralfy
db: batch=70, k=20, 12 44 34 20 16 26 4 14 6 46
| SPT(14) | 421835046536111867 | 0 86 96 140 200 242 266 306 330 372 432 476 486 572 | -87109234614 |
| TPT(12) | 421835052575713079 | 0 2 30 32 42 44 120 122 132 134 240 242 | -81069633402 |
| SPT(14) | 421835071992659441 | 0 26 36 50 102 138 188 210 260 296 348 362 372 398 | -61652687040 |
| TPT(12) | 421835079264184151 | 0 2 18 20 66 68 96 98 150 152 156 158 | -54381162330 |
| STPT(12) | 421835127586686311 | 0 2 108 110 120 122 156 158 168 170 276 278 | -6058660170 |
| TPT(12) | 421835127586686311 | 0 2 108 110 120 122 156 158 168 170 276 278 | -6058660170 |
| TPT(12) | 421835144882093609 | 0 2 18 20 30 32 42 44 102 104 132 134 | 11236747128 |
| SPT(14) | 421835152404479377 | 0 42 46 106 124 174 180 196 202 252 270 330 334 376 | 18759132896 |
| TPT(12) | 421835153711407361 | 0 2 90 92 120 122 156 158 168 170 186 188 | 20066060880 |
| TPT(12) | 421835154747314687 | 0 2 12 14 42 44 120 122 150 152 162 164 | 21101968206 |
| STPT(12) | 421835154747314687 | 0 2 12 14 42 44 120 122 150 152 162 164 | 21101968206 |
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