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Prime Tuple Database
Prime p0= 2152475567846988731 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 18 18 50 16 8 6 22 14 16 62 16 14 22 6 8 16 50 18 18 (?)
an: 0 18 36 86 102 110 116 138 152 168 230 246 260 282 288 296 312 362 380 398
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 398
Found by: Xenon
db: batch=81, k=20, 18 18 50 16 8 6 22 14 16 62
dn: 0 18 18 50 16 8 6 22 14 16 62 16 14 22 6 8 16 50 18 18 (?)
an: 0 18 36 86 102 110 116 138 152 168 230 246 260 282 288 296 312 362 380 398
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 398
Found by: Xenon
db: batch=81, k=20, 18 18 50 16 8 6 22 14 16 62
| SPT(13) | 2152474831606064543 | 0 36 90 96 120 156 168 180 216 240 246 300 336 | -736240924188 |
| SPT(16) | 2152474946350828867 | 0 6 40 42 70 94 102 120 136 154 162 186 214 216 250 256 | -621496159864 |
| TPT(14) | 2152475168281604027 | 0 2 12 14 24 26 54 56 240 242 492 494 600 602 | -399565384704 |
| STPT(10) | 2152475265876817877 | 0 2 30 32 72 74 114 116 144 146 | -301970170854 |
| STPT(10) | 2152475275974345167 | 0 2 24 26 42 44 60 62 84 86 | -291872643564 |
| STPT(10) | 2152475466568781309 | 0 2 42 44 90 92 138 140 180 182 | -101278207422 |
| STPT(10) | 2152475629221040559 | 0 2 42 44 60 62 78 80 120 122 | 61374051828 |
| SPT(16) | 2152476008552972087 | 0 20 32 42 60 62 72 84 170 182 192 194 212 222 234 254 | 440705983356 |
| SPT(16) | 2152476042040958527 | 0 10 36 66 70 76 126 136 144 154 204 210 214 244 270 280 | 474193969796 |
| SPT(16) | 2152477051407777533 | 0 14 18 50 126 134 158 168 326 336 360 368 444 476 480 494 | 1483560788802 |
| SPT(16) | 2152477096439954971 | 0 18 36 52 60 66 88 96 112 120 142 148 156 172 190 208 | 1528592966240 |
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