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Prime Tuple Database
Prime p0= 1855227345368418431 starts a
Symmetric tuple of 18 consecutive primes (SPT).
dn: 0 36 12 2 36 6 6 48 30 76 30 48 6 6 36 2 12 36 (?)
an: 0 36 48 50 86 92 98 146 176 252 282 330 336 342 378 380 392 428
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 428
Found by: Donn Pike (USAF Ret)
db: batch=79, k=18, 36 12 2 36 6 6 48 30 76
dn: 0 36 12 2 36 6 6 48 30 76 30 48 6 6 36 2 12 36 (?)
an: 0 36 48 50 86 92 98 146 176 252 282 330 336 342 378 380 392 428
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 428
Found by: Donn Pike (USAF Ret)
db: batch=79, k=18, 36 12 2 36 6 6 48 30 76
| STPT(10) | 1855225379558155247 | 0 2 24 26 42 44 60 62 84 86 | -1965810263184 |
| STPT(10) | 1855226065595073929 | 0 2 18 20 30 32 42 44 60 62 | -1279773344502 |
| STPT(10) | 1855226227533018869 | 0 2 42 44 90 92 138 140 180 182 | -1117835399562 |
| SPT(16) | 1855226370226778401 | 0 52 102 112 132 138 166 172 216 222 250 256 276 286 336 388 | -975141640030 |
| STPT(10) | 1855226806801328351 | 0 2 96 98 138 140 180 182 276 278 | -538567090080 |
| STPT(10) | 1855227108060303977 | 0 2 24 26 42 44 60 62 84 86 | -237308114454 |
| STPT(10) | 1855227440255746901 | 0 2 36 38 78 80 120 122 156 158 | 94887328470 |
| STPT(10) | 1855227655694127191 | 0 2 78 80 138 140 198 200 276 278 | 310325708760 |
| STPT(10) | 1855227809909616827 | 0 2 24 26 42 44 60 62 84 86 | 464541198396 |
| SPT(16) | 1855227976905582787 | 0 4 16 22 34 60 84 124 162 202 226 252 264 270 282 286 | 631537164356 |
| SPT(16) | 1855228186109921027 | 0 44 56 80 122 126 140 194 312 366 380 384 426 450 462 506 | 840741502596 |
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