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Prime Tuple Database
Prime p0= 1997991857411793973 starts a
Symmetric tuple of 18 consecutive primes (SPT).
dn: 0 10 18 38 4 38 22 54 2 142 2 54 22 38 4 38 18 10 (?)
an: 0 10 28 66 70 108 130 184 186 328 330 384 406 444 448 486 504 514
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 514
Found by: Coleslaw
db: batch=80, k=18, 10 18 38 4 38 22 54 2 142
dn: 0 10 18 38 4 38 22 54 2 142 2 54 22 38 4 38 18 10 (?)
an: 0 10 28 66 70 108 130 184 186 328 330 384 406 444 448 486 504 514
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 514
Found by: Coleslaw
db: batch=80, k=18, 10 18 38 4 38 22 54 2 142
| SPT(16) | 1997991025983571573 | 0 54 106 126 138 154 196 208 246 258 300 316 328 348 400 454 | -831428222400 |
| SPT(16) | 1997991228896075279 | 0 44 60 80 84 128 140 164 174 198 210 254 258 278 294 338 | -628515718694 |
| SPT(16) | 1997991492324422807 | 0 2 6 32 44 56 72 86 90 104 120 132 144 170 174 176 | -365087371166 |
| SPT(16) | 1997991528718696523 | 0 24 26 110 116 138 146 168 206 228 236 258 264 348 350 374 | -328693097450 |
| SPT(16) | 1997991556849712687 | 0 30 50 84 90 92 116 174 182 240 264 266 272 306 326 356 | -300562081286 |
| TPT(14) | 1997991779839629857 | 0 2 90 92 204 206 252 254 372 374 414 416 552 554 | -77572164116 |
| STPT(10) | 1997992212569439311 | 0 2 36 38 78 80 120 122 156 158 | 355157645338 |
| STPT(10) | 1997992240513515677 | 0 2 12 14 72 74 132 134 144 146 | 383101721704 |
| SPT(16) | 1997992325704181959 | 0 10 102 120 124 162 172 174 250 252 262 300 304 322 414 424 | 468292387986 |
| SPT(16) | 1997992336648135103 | 0 26 56 96 108 126 128 188 198 258 260 278 290 330 360 386 | 479236341130 |
| STPT(10) | 1997992386317293151 | 0 2 30 32 60 62 90 92 120 122 | 528905499178 |
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