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Prime Tuple Database
Prime p0= 278895688928503819 starts a
Symmetric tuple of 18 consecutive primes (SPT).
dn: 0 18 10 26 4 72 8 16 18 68 18 16 8 72 4 26 10 18 (?)
an: 0 18 28 54 58 130 138 154 172 240 258 274 282 354 358 384 394 412
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 412
Found by: [AF>Amis des Lapins] Ceclo
db: batch=69, k=18, 18 10 26 4 72 8 16 18 68
dn: 0 18 10 26 4 72 8 16 18 68 18 16 8 72 4 26 10 18 (?)
an: 0 18 28 54 58 130 138 154 172 240 258 274 282 354 358 384 394 412
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 412
Found by: [AF>Amis des Lapins] Ceclo
db: batch=69, k=18, 18 10 26 4 72 8 16 18 68
| SPT(14) | 278895661621203359 | 0 32 80 84 98 108 150 152 194 204 218 222 270 302 | -27307300460 |
| SPT(14) | 278895670353691801 | 0 28 40 46 72 106 130 198 222 256 282 288 300 328 | -18574812018 |
| SPT(14) | 278895672347758693 | 0 10 30 36 58 64 78 106 120 126 148 154 174 184 | -16580745126 |
| STPT(10) | 278895672894796427 | 0 2 30 32 42 44 54 56 84 86 | -16033707392 |
| TPT(12) | 278895676677655859 | 0 2 48 50 108 110 120 122 288 290 318 320 | -12250847960 |
| SPT(14) | 278895676846589059 | 0 48 60 88 102 124 130 162 168 190 204 232 244 292 | -12081914760 |
| TPT(12) | 278895701659121969 | 0 2 30 32 48 50 90 92 132 134 162 164 | 12730618150 |
| SPT(14) | 278895703934824013 | 0 6 20 50 56 98 108 116 126 168 174 204 218 224 | 15006320194 |
| SPT(14) | 278895718774727581 | 0 36 46 70 88 130 156 160 186 228 246 270 280 316 | 29846223762 |
| SPT(14) | 278895727911713867 | 0 30 44 54 110 164 210 236 282 336 392 402 416 446 | 38983210048 |
| SPT(14) | 278895728762665639 | 0 72 78 100 102 108 150 190 232 238 240 262 268 340 | 39834161820 |
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