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Prime Tuple Database
Prime p0= 1913989107521177941 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 28 14 10 18 2 18 10 12 20 64 20 12 10 18 2 18 10 14 28 (?)
an: 0 28 42 52 70 72 90 100 112 132 196 216 228 238 256 258 276 286 300 328
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 328
Found by: [SG-FC] dingdong
db: batch=80, k=20, 28 14 10 18 2 18 10 12 20 64
dn: 0 28 14 10 18 2 18 10 12 20 64 20 12 10 18 2 18 10 14 28 (?)
an: 0 28 42 52 70 72 90 100 112 132 196 216 228 238 256 258 276 286 300 328
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 328
Found by: [SG-FC] dingdong
db: batch=80, k=20, 28 14 10 18 2 18 10 12 20 64
| TPT(14) | 1913987649088483469 | 0 2 18 20 42 44 72 74 198 200 228 230 270 272 | -1458432694472 |
| STPT(10) | 1913988094416281069 | 0 2 18 20 30 32 42 44 60 62 | -1013104896872 |
| STPT(10) | 1913988570476357717 | 0 2 24 26 42 44 60 62 84 86 | -537044820224 |
| SPT(16) | 1913988962554744349 | 0 18 24 44 54 68 128 170 192 234 294 308 318 338 344 362 | -144966433592 |
| SPT(18) | 1913989026107917589 | 0 32 42 62 68 74 80 90 110 132 152 162 168 174 180 200 210 242 | -81413260352 |
| STPT(10) | 1913989098386214527 | 0 2 60 62 72 74 84 86 144 146 | -9134963414 |
| STPT(10) | 1913989113733542029 | 0 2 30 32 60 62 90 92 120 122 | 6212364088 |
| STPT(10) | 1913989238244574217 | 0 2 24 26 42 44 60 62 84 86 | 130723396276 |
| SPT(16) | 1913989248766692529 | 0 24 28 40 48 120 124 138 190 204 208 280 288 300 304 328 | 141245514588 |
| SPT(16) | 1913989426670108429 | 0 132 140 210 224 252 288 342 350 404 440 468 482 552 560 692 | 319148930488 |
| SPT(18) | 1913989632416195239 | 0 12 22 64 70 180 190 258 292 330 364 432 442 552 558 600 610 622 | 524895017298 |
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