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Prime Tuple Database
Prime p0= 2121297881950170971 starts a
Symmetric tuple of 18 consecutive primes (SPT).
dn: 0 42 6 20 12 12 18 40 32 4 32 40 18 12 12 20 6 42 (?)
an: 0 42 48 68 80 92 110 150 182 186 218 258 276 288 300 320 326 368
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 368
Found by: Coleslaw
db: batch=80, k=18, 42 6 20 12 12 18 40 32 4
dn: 0 42 6 20 12 12 18 40 32 4 32 40 18 12 12 20 6 42 (?)
an: 0 42 48 68 80 92 110 150 182 186 218 258 276 288 300 320 326 368
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 368
Found by: Coleslaw
db: batch=80, k=18, 42 6 20 12 12 18 40 32 4
| STPT(10) | 2121296478529813097 | 0 2 84 86 102 104 120 122 204 206 | -1403420357874 |
| SPT(16) | 2121296978801020001 | 0 78 102 128 150 158 182 210 248 276 300 308 330 356 380 458 | -903149150970 |
| STPT(10) | 2121297088521256979 | 0 2 48 50 90 92 132 134 180 182 | -793428913992 |
| STPT(10) | 2121297603595242509 | 0 2 48 50 90 92 132 134 180 182 | -278354928462 |
| SPT(16) | 2121297674435492957 | 0 32 42 54 110 132 144 152 222 230 242 264 320 332 342 374 | -207514678014 |
| SPT(16) | 2121297694919469331 | 0 6 28 30 48 66 132 156 172 196 262 280 298 300 322 328 | -187030701640 |
| STPT(10) | 2121298024969356419 | 0 2 18 20 30 32 42 44 60 62 | 143019185448 |
| STPT(10) | 2121298306571595257 | 0 2 12 14 42 44 72 74 84 86 | 424621424286 |
| TPT(14) | 2121298875166327247 | 0 2 54 56 72 74 210 212 222 224 264 266 282 284 | 993216156276 |
| SPT(16) | 2121299001411757483 | 0 4 30 46 84 166 186 196 198 208 228 310 348 364 390 394 | 1119461586512 |
| SPT(16) | 2121299106858513301 | 0 10 18 66 132 136 180 192 196 208 252 256 322 370 378 388 | 1224908342330 |
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