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Prime Tuple Database
Prime p0= 18691978843107331 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 6 6 60 4 32 18 6 18 28 62 28 18 6 18 32 4 60 6 6 (?)
an: 0 6 12 72 76 108 126 132 150 178 240 268 286 292 310 342 346 406 412 418
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 418
Found by: emoga
db: batch=62, k=20, 6 6 60 4 32 18 6 18 28 62
dn: 0 6 6 60 4 32 18 6 18 28 62 28 18 6 18 32 4 60 6 6 (?)
an: 0 6 12 72 76 108 126 132 150 178 240 268 286 292 310 342 346 406 412 418
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 418
Found by: emoga
db: batch=62, k=20, 6 6 60 4 32 18 6 18 28 62
| SPT(14) | 18691952544055393 | 0 18 36 66 70 108 120 154 166 204 208 238 256 274 | -26299051938 |
| TPT(12) | 18691953518258357 | 0 2 42 44 150 152 162 164 192 194 204 206 | -25324848974 |
| TPT(12) | 18691955292788717 | 0 2 42 44 60 62 90 92 144 146 174 176 | -23550318614 |
| SPT(14) | 18691958245871941 | 0 6 10 46 60 66 70 132 136 142 156 192 196 202 | -20597235390 |
| SPT(14) | 18691961627717689 | 0 12 28 90 112 114 138 154 178 180 202 264 280 292 | -17215389642 |
| SPT(14) | 18691964123400103 | 0 18 64 154 160 214 238 306 330 384 390 480 526 544 | -14719707228 |
| SPT(14) | 18691982445136943 | 0 18 48 50 66 90 108 116 134 158 174 176 206 224 | 3602029612 |
| SPT(14) | 18691996332961247 | 0 20 24 44 50 72 74 132 134 156 162 182 186 206 | 17489853916 |
| SPT(14) | 18691996794724927 | 0 34 94 150 154 160 172 234 246 252 256 312 372 406 | 17951617596 |
| TPT(12) | 18691999290968291 | 0 2 66 68 96 98 120 122 138 140 156 158 | 20447860960 |
| TPT(12) | 18692020428999761 | 0 2 6 8 18 20 30 32 60 62 138 140 | 41585892430 |
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