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Prime Tuple Database
Prime p0= 1991308440414680741 starts a
Symmetric tuple of 18 consecutive primes (SPT).
dn: 0 6 6 66 12 6 6 8 22 14 22 8 6 6 12 66 6 6 (?)
an: 0 6 12 78 90 96 102 110 132 146 168 176 182 188 200 266 272 278
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 278
Found by: [AF>Amis des Lapins] Phil1966
db: batch=80, k=18, 6 6 66 12 6 6 8 22 14
dn: 0 6 6 66 12 6 6 8 22 14 22 8 6 6 12 66 6 6 (?)
an: 0 6 12 78 90 96 102 110 132 146 168 176 182 188 200 266 272 278
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 278
Found by: [AF>Amis des Lapins] Phil1966
db: batch=80, k=18, 6 6 66 12 6 6 8 22 14
| SPT(16) | 1991307416904637453 | 0 24 58 88 118 130 150 156 238 244 264 276 306 336 370 394 | -1023510043288 |
| TPT(14) | 1991307491142422669 | 0 2 12 14 108 110 150 152 168 170 192 194 210 212 | -949272258072 |
| SPT(16) | 1991307600726326413 | 0 18 76 150 160 174 178 180 214 216 220 234 244 318 376 394 | -839688354328 |
| SPT(18) | 1991307800706046481 | 0 60 66 128 162 180 206 222 236 252 266 282 308 326 360 422 428 488 | -639708634260 |
| TPT(14) | 1991307869117735867 | 0 2 54 56 114 116 210 212 264 266 270 272 312 314 | -571296944874 |
| STPT(10) | 1991308256425451399 | 0 2 42 44 60 62 78 80 120 122 | -183989229342 |
| SPT(16) | 1991308741696265821 | 0 18 36 42 60 216 240 246 252 258 282 438 456 462 480 498 | 301281585080 |
| SPT(16) | 1991308828954074239 | 0 30 42 78 84 108 122 198 254 330 344 368 374 410 422 452 | 388539393498 |
| STPT(10) | 1991308882754749301 | 0 2 6 8 168 170 330 332 336 338 | 442340068560 |
| STPT(10) | 1991309034690720011 | 0 2 36 38 78 80 120 122 156 158 | 594276039270 |
| SPT(16) | 1991309142029669659 | 0 4 42 70 94 108 114 124 198 208 214 228 252 280 318 322 | 701614988918 |
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