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Prime Tuple Database
Prime p0= 1809421669336891613 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 26 28 14 22 30 6 2 28 12 98 12 28 2 6 30 22 14 28 26 (?)
an: 0 26 54 68 90 120 126 128 156 168 266 278 306 308 314 344 366 380 408 434
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 434
Found by: [AF] Kalianthys
db: batch=79, k=20, 26 28 14 22 30 6 2 28 12 98
dn: 0 26 28 14 22 30 6 2 28 12 98 12 28 2 6 30 22 14 28 26 (?)
an: 0 26 54 68 90 120 126 128 156 168 266 278 306 308 314 344 366 380 408 434
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 434
Found by: [AF] Kalianthys
db: batch=79, k=20, 26 28 14 22 30 6 2 28 12 98
| SPT(16) | 1809420743513310553 | 0 6 36 70 106 114 124 136 138 150 160 168 204 238 268 274 | -925823581060 |
| STPT(10) | 1809421144721359649 | 0 2 18 20 30 32 42 44 60 62 | -524615531964 |
| STPT(10) | 1809421194139867937 | 0 2 30 32 72 74 114 116 144 146 | -475197023676 |
| SPT(16) | 1809421207226795749 | 0 54 88 108 118 124 160 168 184 192 228 234 244 264 298 352 | -462110095864 |
| STPT(10) | 1809421355808042437 | 0 2 24 26 42 44 60 62 84 86 | -313528849176 |
| STPT(10) | 1809421660135976567 | 0 2 90 92 102 104 114 116 204 206 | -9200915046 |
| SPT(16) | 1809421785705229849 | 0 10 48 52 124 168 178 214 258 294 304 348 420 424 462 472 | 116368338236 |
| SPT(16) | 1809422005612255711 | 0 10 46 52 96 102 112 130 132 150 160 166 210 216 252 262 | 336275364098 |
| STPT(10) | 1809422073523860317 | 0 2 30 32 42 44 54 56 84 86 | 404186968704 |
| SPT(16) | 1809422076365594021 | 0 30 38 60 78 86 102 116 132 146 162 170 188 210 218 248 | 407028702408 |
| SPT(16) | 1809422377367896069 | 0 52 58 64 154 174 234 240 322 328 388 408 498 504 510 562 | 708031004456 |
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