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Prime Tuple Database
Prime p0= 212421792680004053 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 80 10 14 46 30 44 52 14 18 58 18 14 52 44 30 46 14 10 80 (?)
an: 0 80 90 104 150 180 224 276 290 308 366 384 398 450 494 524 570 584 594 674
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 674
Found by: Alnitak2019
db: batch=69, k=20, 80 10 14 46 30 44 52 14 18 58
dn: 0 80 10 14 46 30 44 52 14 18 58 18 14 52 44 30 46 14 10 80 (?)
an: 0 80 90 104 150 180 224 276 290 308 366 384 398 450 494 524 570 584 594 674
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 674
Found by: Alnitak2019
db: batch=69, k=20, 80 10 14 46 30 44 52 14 18 58
| SPT(13) | 212421758338863191 | 0 30 42 72 108 180 210 240 312 348 378 390 420 | -34341140862 |
| TPT(12) | 212421764190465227 | 0 2 24 26 54 56 102 104 180 182 234 236 | -28489538826 |
| SPT(14) | 212421770947964707 | 0 6 52 100 112 150 180 262 292 330 342 390 436 442 | -21732039346 |
| TPT(12) | 212421784030891619 | 0 2 18 20 72 74 90 92 120 122 132 134 | -8649112434 |
| TPT(12) | 212421788517319571 | 0 2 36 38 66 68 210 212 240 242 246 248 | -4162684482 |
| SPT(14) | 212421792039754589 | 0 50 54 74 84 174 194 210 230 320 330 350 354 404 | -640249464 |
| TPT(12) | 212421797466653681 | 0 2 18 20 96 98 156 158 168 170 186 188 | 4786649628 |
| SPT(14) | 212421806800949749 | 0 12 34 54 64 94 108 124 138 168 178 198 220 232 | 14120945696 |
| SPT(14) | 212421807403237147 | 0 46 60 66 70 130 150 262 282 342 346 352 366 412 | 14723233094 |
| SPT(14) | 212421824700964447 | 0 52 66 70 76 90 112 114 136 150 156 160 174 226 | 32020960394 |
| SPT(14) | 212421860308515119 | 0 8 38 48 62 80 92 120 132 150 164 174 204 212 | 67628511066 |
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