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Prime Tuple Database
Prime p0= 1389521847851145781 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 66 42 4 26 18 40 66 20 28 8 28 20 66 40 18 26 4 42 66 (?)
an: 0 66 108 112 138 156 196 262 282 310 318 346 366 432 472 490 516 520 562 628
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 628
Found by: JohnMD
db: batch=77, k=20, 66 42 4 26 18 40 66 20 28 8
dn: 0 66 42 4 26 18 40 66 20 28 8 28 20 66 40 18 26 4 42 66 (?)
an: 0 66 108 112 138 156 196 262 282 310 318 346 366 432 472 490 516 520 562 628
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 628
Found by: JohnMD
db: batch=77, k=20, 66 42 4 26 18 40 66 20 28 8
| STPT(10) | 1389521030560210277 | 0 2 30 32 72 74 114 116 144 146 | -817290935504 |
| SPT(16) | 1389521128444958039 | 0 20 38 48 60 68 98 122 168 192 222 230 242 252 270 290 | -719406187742 |
| STPT(10) | 1389521145539631287 | 0 2 30 32 42 44 54 56 84 86 | -702311514494 |
| SPT(16) | 1389521409722859151 | 0 22 36 72 90 148 160 216 322 378 390 448 466 502 516 538 | -438128286630 |
| STPT(10) | 1389521535642876611 | 0 2 96 98 108 110 120 122 216 218 | -312208269170 |
| SPT(16) | 1389521751667447289 | 0 24 42 68 114 128 140 162 170 192 204 218 264 290 308 332 | -96183698492 |
| TPT(14) | 1389522033970874381 | 0 2 30 32 90 92 138 140 156 158 216 218 348 350 | 186119728600 |
| SPT(18) | 1389522162252382027 | 0 30 42 46 90 114 190 232 240 286 294 336 412 436 480 484 496 526 | 314401236246 |
| TPT(14) | 1389522390789502337 | 0 2 42 44 60 62 84 86 90 92 132 134 174 176 | 542938356556 |
| STPT(12) | 1389522693459959339 | 0 2 30 32 72 74 108 110 150 152 180 182 | 845608813558 |
| TPT(14) | 1389523144327594691 | 0 2 48 50 60 62 120 122 198 200 216 218 240 242 | 1296476448910 |
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