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Prime Tuple Database
Prime p0= 247780672411853333 starts a
Symmetric tuple of 18 consecutive primes (SPT).
dn: 0 54 20 22 8 42 54 16 14 34 14 16 54 42 8 22 20 54 (?)
an: 0 54 74 96 104 146 200 216 230 264 278 294 348 390 398 420 440 494
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 494
Found by: EarlyBird@Zircons
db: batch=69, k=18, 54 20 22 8 42 54 16 14 34
dn: 0 54 20 22 8 42 54 16 14 34 14 16 54 42 8 22 20 54 (?)
an: 0 54 74 96 104 146 200 216 230 264 278 294 348 390 398 420 440 494
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 494
Found by: EarlyBird@Zircons
db: batch=69, k=18, 54 20 22 8 42 54 16 14 34
| SPT(14) | 247780528242615223 | 0 34 70 84 88 114 130 144 160 186 190 204 240 274 | -144169238110 |
| SPT(14) | 247780563966914947 | 0 16 72 114 132 166 184 192 210 244 262 304 360 376 | -108444938386 |
| SPT(14) | 247780573837535209 | 0 18 22 30 42 48 60 130 142 148 160 168 172 190 | -98574318124 |
| STPT(10) | 247780585131905669 | 0 2 18 20 30 32 42 44 60 62 | -87279947664 |
| TPT(12) | 247780614060048371 | 0 2 66 68 78 80 96 98 120 122 150 152 | -58351804962 |
| SPT(14) | 247780631251418567 | 0 2 14 44 60 74 102 224 252 266 282 312 324 326 | -41160434766 |
| TPT(12) | 247780678911182171 | 0 2 108 110 126 128 210 212 240 242 318 320 | 6499328838 |
| SPT(14) | 247780694167807459 | 0 18 52 120 154 190 208 234 252 288 322 390 424 442 | 21755954126 |
| TPT(12) | 247780699818888029 | 0 2 48 50 132 134 210 212 288 290 390 392 | 27407034696 |
| SPT(14) | 247780699991994349 | 0 34 70 108 118 138 154 234 250 270 280 318 354 388 | 27580141016 |
| SPT(14) | 247780707457973323 | 0 30 36 64 84 88 130 144 186 190 210 238 244 274 | 35046119990 |
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