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Prime Tuple Database
Prime p0= 2221221039844025293 starts a
Symmetric tuple of 18 consecutive primes (SPT).
dn: 0 18 22 66 32 16 20 24 10 248 10 24 20 16 32 66 22 18 (?)
an: 0 18 40 106 138 154 174 198 208 456 466 490 510 526 558 624 646 664
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 664
Found by: Orange Kid
db: batch=81, k=18, 18 22 66 32 16 20 24 10 248
dn: 0 18 22 66 32 16 20 24 10 248 10 24 20 16 32 66 22 18 (?)
an: 0 18 40 106 138 154 174 198 208 456 466 490 510 526 558 624 646 664
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 664
Found by: Orange Kid
db: batch=81, k=18, 18 22 66 32 16 20 24 10 248
| STPT(10) | 2221220002212282899 | 0 2 18 20 60 62 102 104 120 122 | -1037631742394 |
| SPT(16) | 2221220050247049281 | 0 26 72 86 92 126 152 180 212 240 266 300 306 320 366 392 | -989596976012 |
| STPT(10) | 2221220570500058357 | 0 2 24 26 42 44 60 62 84 86 | -469343966936 |
| TPT(16) | 2221220588025755201 | 0 2 156 158 216 218 240 242 306 308 348 350 408 410 468 470 | -451818270092 |
| SPT(16) | 2221220833327562123 | 0 78 110 120 156 158 180 198 248 266 288 290 326 336 368 446 | -206516463170 |
| SPT(16) | 2221220907034301621 | 0 12 102 120 140 150 158 218 252 312 320 330 350 368 458 470 | -132809723672 |
| STPT(10) | 2221221465313758959 | 0 2 42 44 60 62 78 80 120 122 | 425469733666 |
| SPT(16) | 2221221807935874091 | 0 18 22 102 108 126 132 168 280 316 322 340 346 426 430 448 | 768091848798 |
| STPT(10) | 2221221890165943011 | 0 2 6 8 48 50 90 92 96 98 | 850321917718 |
| STPT(10) | 2221222347316872971 | 0 2 30 32 78 80 126 128 156 158 | 1307472847678 |
| STPT(10) | 2221222553090507171 | 0 2 6 8 18 20 30 32 36 38 | 1513246481878 |
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