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Prime Tuple Database
Prime p0= 1998405858107301761 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 48 12 36 14 60 18 18 24 36 16 36 24 18 18 60 14 36 12 48 (?)
an: 0 48 60 96 110 170 188 206 230 266 282 318 342 360 378 438 452 488 500 548
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 548
Found by: Orange Kid
db: batch=80, k=20, 48 12 36 14 60 18 18 24 36 16
dn: 0 48 12 36 14 60 18 18 24 36 16 36 24 18 18 60 14 36 12 48 (?)
an: 0 48 60 96 110 170 188 206 230 266 282 318 342 360 378 438 452 488 500 548
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 548
Found by: Orange Kid
db: batch=80, k=20, 48 12 36 14 60 18 18 24 36 16
| STPT(10) | 1998404970828303839 | 0 2 42 44 90 92 138 140 180 182 | -887278997922 |
| SPT(16) | 1998405136071665141 | 0 30 36 66 78 108 120 122 216 218 230 260 272 302 308 338 | -722035636620 |
| STPT(10) | 1998405254040962447 | 0 2 72 74 102 104 132 134 204 206 | -604066339314 |
| STPT(10) | 1998405603608945057 | 0 2 72 74 102 104 132 134 204 206 | -254498356704 |
| SPT(16) | 1998405678643825877 | 0 20 24 140 152 164 180 216 230 266 282 294 306 422 426 446 | -179463475884 |
| SPT(16) | 1998405856624710079 | 0 10 18 42 70 84 120 144 148 172 208 222 250 274 282 292 | -1482591682 |
| SPT(16) | 1998405914845198181 | 0 12 32 38 108 116 122 126 182 186 192 200 270 276 296 308 | 56737896420 |
| SPT(16) | 1998406321061277773 | 0 18 20 38 50 98 158 210 224 276 336 384 396 414 416 434 | 462953976012 |
| STPT(10) | 1998406684006809467 | 0 2 30 32 42 44 54 56 84 86 | 825899507706 |
| SPT(16) | 1998407618548112749 | 0 4 24 48 102 108 124 130 132 138 154 160 214 238 258 262 | 1760440810988 |
| STPT(10) | 1998407772253731071 | 0 2 36 38 78 80 120 122 156 158 | 1914146429310 |
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