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Prime Tuple Database
Prime p0= 2171641707309862741 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 10 12 24 2 60 10 12 80 10 8 10 80 12 10 60 2 24 12 10 (?)
an: 0 10 22 46 48 108 118 130 210 220 228 238 318 330 340 400 402 426 438 448
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 448
Found by: Landjunge
db: batch=81, k=20, 10 12 24 2 60 10 12 80 10 8
dn: 0 10 12 24 2 60 10 12 80 10 8 10 80 12 10 60 2 24 12 10 (?)
an: 0 10 22 46 48 108 118 130 210 220 228 238 318 330 340 400 402 426 438 448
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 448
Found by: Landjunge
db: batch=81, k=20, 10 12 24 2 60 10 12 80 10 8
| STPT(12) | 2171640357816384269 | 0 2 12 14 42 44 48 50 78 80 90 92 | -1349493478472 |
| SPT(16) | 2171640430814038453 | 0 36 40 58 90 120 154 166 198 210 244 274 306 324 328 364 | -1276495824288 |
| SPT(16) | 2171640528916443259 | 0 10 72 90 108 120 138 142 258 262 280 292 310 328 390 400 | -1178393419482 |
| SPT(16) | 2171640662041825921 | 0 16 36 42 78 112 126 162 196 232 246 280 316 322 342 358 | -1045268036820 |
| SPT(16) | 2171640867427214801 | 0 30 66 98 140 146 150 198 200 248 252 258 300 332 368 398 | -839882647940 |
| STPT(10) | 2171641010401800167 | 0 2 24 26 42 44 60 62 84 86 | -696908062574 |
| STPT(10) | 2171641963679864087 | 0 2 24 26 42 44 60 62 84 86 | 256370001346 |
| STPT(10) | 2171641974786486029 | 0 2 42 44 60 62 78 80 120 122 | 267476623288 |
| STPT(10) | 2171642001165871901 | 0 2 6 8 18 20 30 32 36 38 | 293856009160 |
| SPT(18) | 2171642064752464211 | 0 50 92 96 102 110 138 168 182 246 260 290 318 326 332 336 378 428 | 357442601470 |
| SPT(16) | 2171642195978785991 | 0 6 38 42 86 96 110 126 152 168 182 192 236 240 272 278 | 488668923250 |
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