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Prime Tuple Database
Prime p0= 1988408398420002227 starts a
Symmetric tuple of 18 consecutive primes (SPT).
dn: 0 6 26 22 38 22 12 14 12 52 12 14 12 22 38 22 26 6 (?)
an: 0 6 32 54 92 114 126 140 152 204 216 230 242 264 302 324 350 356
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 356
Found by: conf [MM]
db: batch=80, k=18, 6 26 22 38 22 12 14 12 52
dn: 0 6 26 22 38 22 12 14 12 52 12 14 12 22 38 22 26 6 (?)
an: 0 6 32 54 92 114 126 140 152 204 216 230 242 264 302 324 350 356
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 356
Found by: conf [MM]
db: batch=80, k=18, 6 26 22 38 22 12 14 12 52
| STPT(10) | 1988405894948649269 | 0 2 18 20 30 32 42 44 60 62 | -2503471352958 |
| STPT(10) | 1988406013823223947 | 0 2 30 32 42 44 54 56 84 86 | -2384596778280 |
| SPT(16) | 1988407063183810817 | 0 6 14 42 56 66 126 204 212 290 350 360 374 402 410 416 | -1335236191410 |
| STPT(10) | 1988407243221504629 | 0 2 18 20 30 32 42 44 60 62 | -1155198497598 |
| SPT(16) | 1988407716874473773 | 0 14 48 74 104 140 158 170 228 240 258 294 324 350 384 398 | -681545528454 |
| STPT(10) | 1988407919401096379 | 0 2 18 20 30 32 42 44 60 62 | -479018905848 |
| SPT(16) | 1988408689687282747 | 0 42 76 162 210 216 252 276 286 310 346 352 400 486 520 562 | 291267280520 |
| TPT(14) | 1988409135214017161 | 0 2 18 20 48 50 90 92 126 128 198 200 240 242 | 736794014934 |
| SPT(16) | 1988409298315203373 | 0 16 78 154 198 238 256 288 316 348 366 406 450 526 588 604 | 899895201146 |
| STPT(10) | 1988409492033790919 | 0 2 18 20 30 32 42 44 60 62 | 1093613788692 |
| SPT(16) | 1988409714863027051 | 0 8 60 68 98 120 186 222 266 302 368 390 420 428 480 488 | 1316443024824 |
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