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Prime Tuple Database
Prime p0= 181517263342148441 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 8 22 12 14 12 10 42 6 12 2 12 6 42 10 12 14 12 22 8 (?)
an: 0 8 30 42 56 68 78 120 126 138 140 152 158 200 210 222 236 248 270 278
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 278
Found by: desktop64
db: batch=69, k=20, 8 22 12 14 12 10 42 6 12 2
dn: 0 8 22 12 14 12 10 42 6 12 2 12 6 42 10 12 14 12 22 8 (?)
an: 0 8 30 42 56 68 78 120 126 138 140 152 158 200 210 222 236 248 270 278
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 278
Found by: desktop64
db: batch=69, k=20, 8 22 12 14 12 10 42 6 12 2
| SPT(14) | 181517189245027661 | 0 2 20 36 42 62 86 102 126 146 152 168 186 188 | -74097120780 |
| TPT(12) | 181517199288234881 | 0 2 30 32 78 80 108 110 156 158 168 170 | -64053913560 |
| SPT(14) | 181517209805439239 | 0 2 44 72 78 98 102 110 114 134 140 168 210 212 | -53536709202 |
| SPT(14) | 181517235791915897 | 0 54 84 122 132 152 200 216 264 284 294 332 362 416 | -27550232544 |
| SPT(14) | 181517251411950719 | 0 2 12 30 44 48 72 80 104 108 122 140 150 152 | -11930197722 |
| SPT(14) | 181517254759656811 | 0 6 42 46 48 58 72 106 120 130 132 136 172 178 | -8582491630 |
| SPT(14) | 181517277460386079 | 0 42 72 94 102 108 114 148 154 160 168 190 220 262 | 14118237638 |
| SPT(14) | 181517283818459051 | 0 26 36 42 50 60 72 80 92 102 110 116 126 152 | 20476310610 |
| SPT(14) | 181517284755342073 | 0 16 66 70 84 94 108 136 150 160 174 178 228 244 | 21413193632 |
| SPT(14) | 181517305479511621 | 0 16 36 42 46 78 120 148 190 222 226 232 252 268 | 42137363180 |
| SPT(14) | 181517321699536643 | 0 14 20 44 104 108 168 170 230 234 294 318 324 338 | 58357388202 |
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