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Prime Tuple Database
Prime p0= 1277220285535442293 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 16 8 6 18 18 4 20 28 60 38 60 28 20 4 18 18 6 8 16 (?)
an: 0 16 24 30 48 66 70 90 118 178 216 276 304 324 328 346 364 370 378 394
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 394
Found by: Egon olsen
db: batch=77, k=20, 16 8 6 18 18 4 20 28 60 38
dn: 0 16 8 6 18 18 4 20 28 60 38 60 28 20 4 18 18 6 8 16 (?)
an: 0 16 24 30 48 66 70 90 118 178 216 276 304 324 328 346 364 370 378 394
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 394
Found by: Egon olsen
db: batch=77, k=20, 16 8 6 18 18 4 20 28 60 38
| SPT(16) | 1277219221282864463 | 0 6 24 38 50 60 84 90 134 140 164 174 186 200 218 224 | -1064252577830 |
| STPT(10) | 1277219409944146619 | 0 2 18 20 30 32 42 44 60 62 | -875591295674 |
| SPT(16) | 1277219418233197057 | 0 10 36 54 72 142 150 190 336 376 384 454 472 490 516 526 | -867302245236 |
| SPT(16) | 1277219514929880433 | 0 16 46 66 136 160 168 226 288 346 354 378 448 468 498 514 | -770605561860 |
| TPT(14) | 1277219948749529219 | 0 2 108 110 210 212 222 224 348 350 360 362 450 452 | -336785913074 |
| STPT(10) | 1277220238060756469 | 0 2 18 20 30 32 42 44 60 62 | -47474685824 |
| STPT(10) | 1277220658750089551 | 0 2 36 38 78 80 120 122 156 158 | 373214647258 |
| STPT(10) | 1277220697486162067 | 0 2 60 62 72 74 84 86 144 146 | 411950719774 |
| SPT(16) | 1277221157073461429 | 0 8 12 84 102 162 180 200 222 242 260 320 338 410 414 422 | 871538019136 |
| STPT(10) | 1277221209382915001 | 0 2 6 8 18 20 30 32 36 38 | 923847472708 |
| SPT(16) | 1277221586426283283 | 0 16 36 76 78 88 90 100 174 184 186 196 198 238 258 274 | 1300890840990 |
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