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Prime Tuple Database
Prime p0= 2181371831544308801 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 30 36 36 8 16 6 8 16 2 22 2 16 8 6 16 8 36 36 30 (?)
an: 0 30 66 102 110 126 132 140 156 158 180 182 198 206 212 228 236 272 308 338
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 338
Found by: JayPi
db: batch=81, k=20, 30 36 36 8 16 6 8 16 2 22
dn: 0 30 36 36 8 16 6 8 16 2 22 2 16 8 6 16 8 36 36 30 (?)
an: 0 30 66 102 110 126 132 140 156 158 180 182 198 206 212 228 236 272 308 338
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 338
Found by: JayPi
db: batch=81, k=20, 30 36 36 8 16 6 8 16 2 22
| SPT(16) | 2181369998771847853 | 0 6 16 30 54 60 106 120 124 138 184 190 214 228 238 244 | -1832772460948 |
| SPT(16) | 2181370222645856633 | 0 20 44 48 54 66 98 114 140 156 188 200 206 210 234 254 | -1608898452168 |
| SPT(16) | 2181371002975084373 | 0 6 36 50 78 110 140 150 176 186 216 248 276 290 320 326 | -828569224428 |
| SPT(16) | 2181371450994832399 | 0 4 34 42 72 84 114 132 142 160 190 202 232 240 270 274 | -380549476402 |
| STPT(10) | 2181371525094476357 | 0 2 24 26 42 44 60 62 84 86 | -306449832444 |
| STPT(10) | 2181371566796601521 | 0 2 66 68 138 140 210 212 276 278 | -264747707280 |
| STPT(10) | 2181371894746411889 | 0 2 18 20 30 32 42 44 60 62 | 63202103088 |
| STPT(10) | 2181372442267568651 | 0 2 48 50 168 170 288 290 336 338 | 610723259850 |
| SPT(16) | 2181372647897104421 | 0 18 110 116 180 216 258 266 270 278 320 356 420 426 518 536 | 816352795620 |
| STPT(10) | 2181372762154583477 | 0 2 30 32 42 44 54 56 84 86 | 930610274676 |
| STPT(10) | 2181372921064511261 | 0 2 6 8 48 50 90 92 96 98 | 1089520202460 |
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