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Prime Tuple Database
Prime p0= 1518917155924181171 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 8 24 10 30 44 24 16 42 12 8 12 42 16 24 44 30 10 24 8 (?)
an: 0 8 32 42 72 116 140 156 198 210 218 230 272 288 312 356 386 396 420 428
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 428
Found by: Theadalus
db: batch=78, k=20, 8 24 10 30 44 24 16 42 12 8
dn: 0 8 24 10 30 44 24 16 42 12 8 12 42 16 24 44 30 10 24 8 (?)
an: 0 8 32 42 72 116 140 156 198 210 218 230 272 288 312 356 386 396 420 428
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 428
Found by: Theadalus
db: batch=78, k=20, 8 24 10 30 44 24 16 42 12 8
| STPT(10) | 1518915525318995801 | 0 2 6 8 48 50 90 92 96 98 | -1630605185370 |
| STPT(10) | 1518915841334010809 | 0 2 18 20 30 32 42 44 60 62 | -1314590170362 |
| STPT(10) | 1518916345700855219 | 0 2 18 20 30 32 42 44 60 62 | -810223325952 |
| STPT(10) | 1518916478559265991 | 0 2 6 8 18 20 30 32 36 38 | -677364915180 |
| STPT(10) | 1518916663941692957 | 0 2 30 32 42 44 54 56 84 86 | -491982488214 |
| STPT(10) | 1518916829870601617 | 0 2 30 32 42 44 54 56 84 86 | -326053579554 |
| STPT(10) | 1518917316038642477 | 0 2 24 26 42 44 60 62 84 86 | 160114461306 |
| SPT(16) | 1518917722293013951 | 0 10 12 18 28 30 52 72 166 186 208 210 220 226 228 238 | 566368832780 |
| SPT(16) | 1518918113548440221 | 0 18 30 68 86 126 138 140 168 170 182 222 240 278 290 308 | 957624259050 |
| STPT(10) | 1518918330873367181 | 0 2 6 8 18 20 30 32 36 38 | 1174949186010 |
| SPT(16) | 1518918426157721903 | 0 6 14 20 26 80 96 108 146 158 174 228 234 240 248 254 | 1270233540732 |
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