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Prime Tuple Database
Prime p0= 1991440146406992221 starts a
Symmetric tuple of 16 consecutive primes (SPT).
dn: 0 42 8 6 10 2 30 10 2 10 30 2 10 6 8 42 (?)
an: 0 42 50 56 66 68 98 108 110 120 150 152 162 168 176 218
All 16 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 218
Found by: [AF>Amis des Lapins] Phil1966
db: batch=80, k=16, 42 8 6 10 2 30 10 2
dn: 0 42 8 6 10 2 30 10 2 10 30 2 10 6 8 42 (?)
an: 0 42 50 56 66 68 98 108 110 120 150 152 162 168 176 218
All 16 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 218
Found by: [AF>Amis des Lapins] Phil1966
db: batch=80, k=16, 42 8 6 10 2 30 10 2
| SPT(16) | 1991439537430006799 | 0 2 14 32 44 62 92 128 204 240 270 288 300 318 330 332 | -608976985422 |
| SPT(16) | 1991439581358918623 | 0 38 50 104 116 126 140 176 258 294 308 318 330 384 396 434 | -565048073598 |
| STPT(10) | 1991439604797224357 | 0 2 12 14 42 44 72 74 84 86 | -541609767864 |
| STPT(10) | 1991439649251080069 | 0 2 18 20 30 32 42 44 60 62 | -497155912152 |
| SPT(16) | 1991439827885462179 | 0 40 42 52 114 124 210 240 274 304 390 400 462 472 474 514 | -318521530042 |
| STPT(10) | 1991439844500006959 | 0 2 42 44 60 62 78 80 120 122 | -301906985262 |
| SPT(16) | 1991440417445767913 | 0 14 20 30 48 66 104 108 146 150 188 206 224 234 240 254 | 271038775692 |
| SPT(18) | 1991440873655007893 | 0 18 24 26 84 96 98 114 126 128 140 156 158 170 228 230 236 254 | 727248015672 |
| SPT(18) | 1991440959166004809 | 0 22 24 60 72 78 82 94 102 190 198 210 214 220 232 268 270 292 | 812759012588 |
| STPT(10) | 1991441333268414257 | 0 2 24 26 42 44 60 62 84 86 | 1186861422036 |
| TPT(14) | 1991441621921641619 | 0 2 42 44 78 80 90 92 120 122 162 164 210 212 | 1475514649398 |
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