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Prime Tuple Database
Prime p0= 2168384087482467401 starts a
Symmetric tuple of 18 consecutive primes (SPT).
dn: 0 8 18 42 4 6 8 6 28 8 28 6 8 6 4 42 18 8 (?)
an: 0 8 26 68 72 78 86 92 120 128 156 162 170 176 180 222 240 248
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 248
Found by: Penguin
db: batch=81, k=18, 8 18 42 4 6 8 6 28 8
dn: 0 8 18 42 4 6 8 6 28 8 28 6 8 6 4 42 18 8 (?)
an: 0 8 26 68 72 78 86 92 120 128 156 162 170 176 180 222 240 248
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 248
Found by: Penguin
db: batch=81, k=18, 8 18 42 4 6 8 6 28 8
| TPT(14) | 2168382997797539657 | 0 2 30 32 54 56 192 194 210 212 222 224 252 254 | -1089684927744 |
| STPT(10) | 2168383380494205557 | 0 2 42 44 72 74 102 104 144 146 | -706988261844 |
| STPT(10) | 2168383424179798949 | 0 2 12 14 30 32 48 50 60 62 | -663302668452 |
| STPT(10) | 2168383680444275267 | 0 2 30 32 42 44 54 56 84 86 | -407038192134 |
| STPT(10) | 2168383795957567127 | 0 2 30 32 60 62 90 92 120 122 | -291524900274 |
| TPT(14) | 2168383834154096621 | 0 2 18 20 60 62 126 128 150 152 168 170 186 188 | -253328370780 |
| SPT(16) | 2168384404341891097 | 0 10 64 76 84 90 94 120 160 186 190 196 204 216 270 280 | 316859423696 |
| SPT(16) | 2168384570476577459 | 0 42 62 68 74 144 158 174 248 264 278 348 354 360 380 422 | 482994110058 |
| SPT(16) | 2168384732138925283 | 0 46 54 84 100 144 174 196 258 280 310 354 370 400 408 454 | 644656457882 |
| SPT(18) | 2168384840667345893 | 0 14 24 26 36 48 60 66 120 164 218 224 236 248 258 260 270 284 | 753184878492 |
| SPT(16) | 2168385036256842101 | 0 12 56 72 80 108 158 168 350 360 410 438 446 462 506 518 | 948774374700 |
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