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Prime Tuple Database
Prime p0= 66921556621419677 starts a
Symmetric tuple of 18 consecutive primes (SPT).
dn: 0 2 18 22 50 40 18 20 22 32 22 20 18 40 50 22 18 2 (?)
an: 0 2 20 42 92 132 150 170 192 224 246 266 284 324 374 396 414 416
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 416
Found by: scrap
db: batch=67, k=18, 2 18 22 50 40 18 20 22 32
dn: 0 2 18 22 50 40 18 20 22 32 22 20 18 40 50 22 18 2 (?)
an: 0 2 20 42 92 132 150 170 192 224 246 266 284 324 374 396 414 416
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 416
Found by: scrap
db: batch=67, k=18, 2 18 22 50 40 18 20 22 32
| SPT(14) | 66921524634923171 | 0 6 80 98 120 140 146 240 246 266 288 306 380 386 | -31986496506 |
| TPT(12) | 66921538142889299 | 0 2 18 20 102 104 132 134 198 200 210 212 | -18478530378 |
| SPT(14) | 66921539289928283 | 0 36 44 98 104 164 174 200 210 270 276 330 338 374 | -17331491394 |
| TPT(12) | 66921540604891097 | 0 2 30 32 54 56 144 146 210 212 312 314 | -16016528580 |
| TPT(12) | 66921544125583919 | 0 2 48 50 102 104 120 122 168 170 252 254 | -12495835758 |
| SPT(14) | 66921544151034619 | 0 54 90 112 142 154 190 222 258 270 300 322 358 412 | -12470385058 |
| SPT(14) | 66921577577922103 | 0 10 24 58 64 70 88 126 144 150 156 190 204 214 | 20956502426 |
| SPT(14) | 66921581429211473 | 0 6 26 38 48 66 90 164 188 206 216 228 248 254 | 24807791796 |
| TPT(12) | 66921585367521881 | 0 2 36 38 66 68 126 128 138 140 168 170 | 28746102204 |
| TPT(12) | 66921623316132551 | 0 2 30 32 96 98 126 128 150 152 168 170 | 66694712874 |
| SPT(14) | 66921624542541547 | 0 4 34 72 76 114 132 154 172 210 214 252 282 286 | 67921121870 |
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