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Prime Tuple Database
Prime p0= 1408825972602928417 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 4 6 30 26 10 8 12 36 48 76 48 36 12 8 10 26 30 6 4 (?)
an: 0 4 10 40 66 76 84 96 132 180 256 304 340 352 360 370 396 426 432 436
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 436
Found by: rlacr
db: batch=78, k=20, 4 6 30 26 10 8 12 36 48 76
dn: 0 4 6 30 26 10 8 12 36 48 76 48 36 12 8 10 26 30 6 4 (?)
an: 0 4 10 40 66 76 84 96 132 180 256 304 340 352 360 370 396 426 432 436
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 436
Found by: rlacr
db: batch=78, k=20, 4 6 30 26 10 8 12 36 48 76
| SPT(16) | 1408824534579456931 | 0 6 10 30 48 58 70 76 132 138 150 160 178 198 202 208 | -1438023471486 |
| SPT(16) | 1408824542110610347 | 0 24 34 52 72 144 220 262 294 336 412 484 504 522 532 556 | -1430492318070 |
| STPT(10) | 1408824813331437347 | 0 2 24 26 42 44 60 62 84 86 | -1159271491070 |
| TPT(14) | 1408824983883089411 | 0 2 36 38 78 80 216 218 240 242 246 248 300 302 | -988719839006 |
| STPT(10) | 1408825011938529917 | 0 2 30 32 42 44 54 56 84 86 | -960664398500 |
| STPT(12) | 1408825652152116137 | 0 2 42 44 60 62 84 86 102 104 144 146 | -320450812280 |
| STPT(10) | 1408826020392844811 | 0 2 6 8 18 20 30 32 36 38 | 47789916394 |
| STPT(10) | 1408826049505284209 | 0 2 48 50 60 62 72 74 120 122 | 76902355792 |
| STPT(10) | 1408826154836433209 | 0 2 30 32 60 62 90 92 120 122 | 182233504792 |
| SPT(16) | 1408826229789415201 | 0 6 22 36 48 58 76 102 256 282 300 310 322 336 352 358 | 257186486784 |
| SPT(16) | 1408826338116844079 | 0 30 42 60 72 90 132 182 228 278 320 338 350 368 380 410 | 365513915662 |
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