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Prime Tuple Database
Prime p0= 2261486553468612721 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 30 22 30 20 28 6 50 24 10 8 10 24 50 6 28 20 30 22 30 (?)
an: 0 30 52 82 102 130 136 186 210 220 228 238 262 312 318 346 366 396 418 448
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 448
Found by: Orange Kid
db: batch=81, k=20, 30 22 30 20 28 6 50 24 10 8
dn: 0 30 22 30 20 28 6 50 24 10 8 10 24 50 6 28 20 30 22 30 (?)
an: 0 30 52 82 102 130 136 186 210 220 228 238 262 312 318 346 366 396 418 448
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 448
Found by: Orange Kid
db: batch=81, k=20, 30 22 30 20 28 6 50 24 10 8
| STPT(10) | 2261482961714267111 | 0 2 6 8 18 20 30 32 36 38 | -3591754345610 |
| SPT(16) | 2261483380014812623 | 0 28 36 66 70 90 94 96 148 150 154 174 178 208 216 244 | -3173453800098 |
| SPT(16) | 2261484122677994887 | 0 4 10 40 100 124 142 154 180 192 210 234 294 324 330 334 | -2430790617834 |
| SPT(16) | 2261485009459350739 | 0 58 70 88 94 124 138 184 234 280 294 324 330 348 360 418 | -1544009261982 |
| SPT(16) | 2261485759541059189 | 0 4 34 90 118 132 150 160 162 172 190 204 232 288 318 322 | -793927553532 |
| STPT(10) | 2261486392010302811 | 0 2 6 8 48 50 90 92 96 98 | -161458309910 |
| SPT(16) | 2261486615760401789 | 0 14 44 68 102 132 198 224 258 284 350 380 414 438 468 482 | 62291789068 |
| STPT(10) | 2261486657467105097 | 0 2 30 32 42 44 54 56 84 86 | 103998492376 |
| SPT(16) | 2261486980255653149 | 0 2 20 32 48 54 104 108 314 318 368 374 390 402 420 422 | 426787040428 |
| STPT(12) | 2261487415707399569 | 0 2 30 32 48 50 180 182 198 200 228 230 | 862238786848 |
| SPT(16) | 2261487592215521039 | 0 42 68 122 144 182 192 200 342 350 360 398 420 474 500 542 | 1038746908318 |
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