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Prime Tuple Database
Prime p0= 2181271099344026881 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 28 20 4 6 8 34 2 28 38 52 38 28 2 34 8 6 4 20 28 (?)
an: 0 28 48 52 58 66 100 102 130 168 220 258 286 288 322 330 336 340 360 388
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 388
Found by: [SG-2W]Kurzer
db: batch=81, k=20, 28 20 4 6 8 34 2 28 38 52
dn: 0 28 20 4 6 8 34 2 28 38 52 38 28 2 34 8 6 4 20 28 (?)
an: 0 28 48 52 58 66 100 102 130 168 220 258 286 288 322 330 336 340 360 388
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 388
Found by: [SG-2W]Kurzer
db: batch=81, k=20, 28 20 4 6 8 34 2 28 38 52
| STPT(10) | 2181269411267860097 | 0 2 30 32 60 62 90 92 120 122 | -1688076166784 |
| STPT(10) | 2181269447017721867 | 0 2 42 44 72 74 102 104 144 146 | -1652326305014 |
| STPT(10) | 2181269702983797197 | 0 2 90 92 102 104 114 116 204 206 | -1396360229684 |
| STPT(10) | 2181270272335987757 | 0 2 12 14 42 44 72 74 84 86 | -827008039124 |
| SPT(16) | 2181270732081077657 | 0 14 42 44 56 174 230 264 272 306 362 480 492 494 522 536 | -367262949224 |
| SPT(16) | 2181270733828841321 | 0 8 30 36 42 60 66 120 128 182 188 206 212 218 240 248 | -365515185560 |
| SPT(16) | 2181271377120619283 | 0 54 56 66 96 110 156 168 206 218 264 278 308 318 320 374 | 277776592402 |
| STPT(10) | 2181271459011681737 | 0 2 30 32 42 44 54 56 84 86 | 359667654856 |
| SPT(16) | 2181271478761416941 | 0 8 12 102 110 120 158 168 320 330 368 378 386 476 480 488 | 379417390060 |
| SPT(16) | 2181271490685671773 | 0 34 48 88 96 148 184 198 256 270 306 358 366 406 420 454 | 391341644892 |
| STPT(10) | 2181271630356255959 | 0 2 18 20 30 32 42 44 60 62 | 531012229078 |
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