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Prime Tuple Database
Prime p0= 2221691412772597817 starts a
Symmetric tuple of 18 consecutive primes (SPT).
dn: 0 6 14 30 12 58 2 28 12 68 12 28 2 58 12 30 14 6 (?)
an: 0 6 20 50 62 120 122 150 162 230 242 270 272 330 342 372 386 392
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 392
Found by: JayPi
db: batch=81, k=18, 6 14 30 12 58 2 28 12 68
dn: 0 6 14 30 12 58 2 28 12 68 12 28 2 58 12 30 14 6 (?)
an: 0 6 20 50 62 120 122 150 162 230 242 270 272 330 342 372 386 392
All 18 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 392
Found by: JayPi
db: batch=81, k=18, 6 14 30 12 58 2 28 12 68
| STPT(10) | 2221690453260111707 | 0 2 30 32 42 44 54 56 84 86 | -959512486110 |
| STPT(10) | 2221690972629976829 | 0 2 18 20 60 62 102 104 120 122 | -440142620988 |
| SPT(16) | 2221690982936097311 | 0 6 20 36 48 62 126 132 176 182 246 260 272 288 302 308 | -429836500506 |
| SPT(16) | 2221691039034888191 | 0 2 36 56 108 162 170 176 192 198 206 260 312 332 366 368 | -373737709626 |
| STPT(10) | 2221691213749958747 | 0 2 24 26 42 44 60 62 84 86 | -199022639070 |
| STPT(10) | 2221691360642238647 | 0 2 30 32 42 44 54 56 84 86 | -52130359170 |
| SPT(16) | 2221691560217146543 | 0 10 58 64 66 78 96 100 204 208 226 238 240 246 294 304 | 147444548726 |
| STPT(10) | 2221691612886599561 | 0 2 36 38 78 80 120 122 156 158 | 200114001744 |
| SPT(16) | 2221691634206572651 | 0 18 60 102 112 118 132 180 190 238 252 258 268 310 352 370 | 221433974834 |
| STPT(10) | 2221691842441690217 | 0 2 30 32 42 44 54 56 84 86 | 429669092400 |
| SPT(16) | 2221691966748273931 | 0 6 46 66 108 112 132 136 192 196 216 220 262 282 322 328 | 553975676114 |
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