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Prime Tuple Database
Prime p0= 1209931471157376677 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 20 6 36 4 14 4 80 18 40 2 40 18 80 4 14 4 36 6 20 (?)
an: 0 20 26 62 66 80 84 164 182 222 224 264 282 362 366 380 384 420 426 446
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 446
Found by: HenkM
db: batch=77, k=20, 20 6 36 4 14 4 80 18 40 2
dn: 0 20 6 36 4 14 4 80 18 40 2 40 18 80 4 14 4 36 6 20 (?)
an: 0 20 26 62 66 80 84 164 182 222 224 264 282 362 366 380 384 420 426 446
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 446
Found by: HenkM
db: batch=77, k=20, 20 6 36 4 14 4 80 18 40 2
| SPT(16) | 1209930559066999867 | 0 16 34 42 54 60 66 82 144 160 166 172 184 192 210 226 | -912090376810 |
| STPT(12) | 1209930583649277947 | 0 2 42 44 72 74 90 92 120 122 162 164 | -887508098730 |
| STPT(10) | 1209930710033323319 | 0 2 18 20 30 32 42 44 60 62 | -761124053358 |
| SPT(13) | 1209930999164174447 | 0 24 30 42 54 90 132 174 210 222 234 240 264 | -471993202230 |
| STPT(10) | 1209931055306932139 | 0 2 18 20 30 32 42 44 60 62 | -415850444538 |
| SPT(16) | 1209931369587711739 | 0 12 28 34 40 48 78 160 282 364 394 402 408 414 430 442 | -101569664938 |
| STPT(10) | 1209931826094095717 | 0 2 30 32 42 44 54 56 84 86 | 354936719040 |
| TPT(14) | 1209932135156957687 | 0 2 12 14 24 26 144 146 192 194 252 254 294 296 | 663999581010 |
| SPT(16) | 1209932206777541647 | 0 22 24 52 66 100 112 114 142 144 156 190 204 232 234 256 | 735620164970 |
| SPT(16) | 1209932711716966697 | 0 14 20 84 102 120 132 144 302 314 326 344 362 426 432 446 | 1240559590020 |
| SPT(16) | 1209932719440744371 | 0 50 66 72 132 212 216 228 230 242 246 326 386 392 408 458 | 1248283367694 |
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