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Prime Tuple Database
Prime p0= 1638395835724940783 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 14 22 18 2 4 6 50 22 30 68 30 22 50 6 4 2 18 22 14 (?)
an: 0 14 36 54 56 60 66 116 138 168 236 266 288 338 344 348 350 368 390 404
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 404
Found by: Donn Pike (USAF Ret)
db: batch=78, k=20, 14 22 18 2 4 6 50 22 30 68
dn: 0 14 22 18 2 4 6 50 22 30 68 30 22 50 6 4 2 18 22 14 (?)
an: 0 14 36 54 56 60 66 116 138 168 236 266 288 338 344 348 350 368 390 404
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 404
Found by: Donn Pike (USAF Ret)
db: batch=78, k=20, 14 22 18 2 4 6 50 22 30 68
| SPT(16) | 1638393497420442151 | 0 12 60 72 78 88 120 138 190 208 240 250 256 268 316 328 | -2338304498632 |
| STPT(10) | 1638393514158776069 | 0 2 30 32 60 62 90 92 120 122 | -2321566164714 |
| STPT(10) | 1638393659317348667 | 0 2 30 32 42 44 54 56 84 86 | -2176407592116 |
| STPT(12) | 1638393898721815721 | 0 2 36 38 48 50 78 80 90 92 126 128 | -1937003125062 |
| STPT(10) | 1638394111671775817 | 0 2 60 62 102 104 144 146 204 206 | -1724053164966 |
| STPT(10) | 1638395258581698317 | 0 2 30 32 42 44 54 56 84 86 | -577143242466 |
| STPT(12) | 1638396100944572969 | 0 2 18 20 60 62 138 140 180 182 198 200 | 265219632186 |
| STPT(10) | 1638396249662618231 | 0 2 36 38 78 80 120 122 156 158 | 413937677448 |
| SPT(16) | 1638396356457675439 | 0 10 18 52 84 130 150 160 162 172 192 238 270 304 312 322 | 520732734656 |
| STPT(10) | 1638396364229347859 | 0 2 42 44 90 92 138 140 180 182 | 528504407076 |
| STPT(10) | 1638396571283335469 | 0 2 12 14 90 92 168 170 180 182 | 735558394686 |
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