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Prime Tuple Database
Prime p0= 512821993536350261 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 80 22 38 18 10 2 10 30 26 16 26 30 10 2 10 18 38 22 80 (?)
an: 0 80 102 140 158 168 170 180 210 236 252 278 308 318 320 330 348 386 408 488
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 488
Found by: Cruncher Pete
db: batch=49, k=20, 80 22 38 18 10 2 10 30 26 16
dn: 0 80 22 38 18 10 2 10 30 26 16 26 30 10 2 10 18 38 22 80 (?)
an: 0 80 102 140 158 168 170 180 210 236 252 278 308 318 320 330 348 386 408 488
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 488
Found by: Cruncher Pete
db: batch=49, k=20, 80 22 38 18 10 2 10 30 26 16
| SPT(14) | 512821905603390923 | 0 44 74 108 134 180 200 288 308 354 380 414 444 488 | -87932959338 |
| SPT(16) | 512821916327701069 | 0 78 90 124 144 160 178 190 192 204 222 238 258 292 304 382 | -77208649192 |
| TPT(12) | 512821931668387421 | 0 2 36 38 120 122 150 152 210 212 246 248 | -61867962840 |
| SPT(14) | 512821935718365821 | 0 20 60 62 72 78 108 140 170 176 186 188 228 248 | -57817984440 |
| SPT(14) | 512821952285278201 | 0 12 30 40 60 76 118 180 222 238 258 268 286 298 | -41251072060 |
| SPT(14) | 512821973745195671 | 0 32 90 162 170 188 212 228 252 270 278 350 408 440 | -19791154590 |
| SPT(14) | 512822003917202431 | 0 70 132 148 246 270 280 288 298 322 420 436 498 568 | 10380852170 |
| SPT(14) | 512822010285889363 | 0 28 70 76 100 118 126 148 156 174 198 204 246 274 | 16749539102 |
| TPT(12) | 512822042690395589 | 0 2 30 32 138 140 180 182 258 260 270 272 | 49154045328 |
| SPT(14) | 512822131307025343 | 0 4 24 34 60 66 70 90 94 100 126 136 156 160 | 137770675082 |
| SPT(14) | 512822141605595251 | 0 16 36 42 126 148 162 196 210 232 316 322 342 358 | 148069244990 |
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