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Prime Tuple Database
Prime p0= 397231356750611189 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 2 12 10 18 36 26 10 60 8 58 8 60 10 26 36 18 10 12 2 (?)
an: 0 2 14 24 42 78 104 114 174 182 240 248 308 318 344 380 398 408 420 422
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 422
Found by: Cruncher Pete
db: batch=70, k=20, 2 12 10 18 36 26 10 60 8 58
dn: 0 2 12 10 18 36 26 10 60 8 58 8 60 10 26 36 18 10 12 2 (?)
an: 0 2 14 24 42 78 104 114 174 182 240 248 308 318 344 380 398 408 420 422
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 422
Found by: Cruncher Pete
db: batch=70, k=20, 2 12 10 18 36 26 10 60 8 58
| SPT(14) | 397231322535900241 | 0 28 48 72 88 96 132 166 202 210 226 250 270 298 | -34214710948 |
| SPT(14) | 397231322617785263 | 0 24 26 90 110 144 180 194 230 264 284 348 350 374 | -34132825926 |
| SPT(14) | 397231330347095131 | 0 28 40 46 70 72 96 202 226 228 252 258 270 298 | -26403516058 |
| TPT(12) | 397231350413047217 | 0 2 12 14 42 44 144 146 240 242 312 314 | -6337563972 |
| TPT(12) | 397231355973680087 | 0 2 54 56 72 74 144 146 264 266 270 272 | -776931102 |
| TPT(12) | 397231356137349779 | 0 2 108 110 138 140 168 170 210 212 222 224 | -613261410 |
| SPT(14) | 397231358469521027 | 0 6 74 84 92 114 134 222 242 264 272 282 350 356 | 1718909838 |
| SPT(14) | 397231376518157191 | 0 28 48 66 132 138 178 180 220 226 292 310 330 358 | 19767546002 |
| SPT(14) | 397231388034101783 | 0 8 18 24 26 56 60 74 78 108 110 116 126 134 | 31283490594 |
| SPT(14) | 397231404764510219 | 0 18 38 60 120 128 138 182 192 200 260 282 302 320 | 48013899030 |
| SPT(14) | 397231435729168633 | 0 28 48 118 120 130 138 196 204 214 216 286 306 334 | 78978557444 |
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