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Prime Tuple Database
Prime p0= 1991377921593464381 starts a
Symmetric tuple of 16 consecutive primes (SPT).
dn: 0 20 22 6 50 60 24 54 16 54 24 60 50 6 22 20 (?)
an: 0 20 42 48 98 158 182 236 252 306 330 390 440 446 468 488
All 16 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 488
Found by: [AF>Amis des Lapins] Phil1966
db: batch=80, k=16, 20 22 6 50 60 24 54 16
dn: 0 20 22 6 50 60 24 54 16 54 24 60 50 6 22 20 (?)
an: 0 20 42 48 98 158 182 236 252 306 330 390 440 446 468 488
All 16 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 488
Found by: [AF>Amis des Lapins] Phil1966
db: batch=80, k=16, 20 22 6 50 60 24 54 16
| STPT(10) | 1991376495140055731 | 0 2 36 38 78 80 120 122 156 158 | -1426453408650 |
| STPT(10) | 1991376533417116169 | 0 2 18 20 30 32 42 44 60 62 | -1388176348212 |
| STPT(10) | 1991376793268279771 | 0 2 6 8 48 50 90 92 96 98 | -1128325184610 |
| SPT(16) | 1991377164362677457 | 0 6 66 84 86 104 150 164 252 266 312 330 332 350 410 416 | -757230786924 |
| STPT(10) | 1991377316494166957 | 0 2 30 32 72 74 114 116 144 146 | -605099297424 |
| SPT(16) | 1991377431740810149 | 0 24 58 70 100 102 142 144 148 150 190 192 222 234 268 292 | -489852654232 |
| SPT(16) | 1991378047374084209 | 0 54 60 74 84 152 162 164 240 242 252 320 330 344 350 404 | 125780619828 |
| STPT(12) | 1991378067363138281 | 0 2 18 20 60 62 156 158 198 200 216 218 | 145769673900 |
| STPT(10) | 1991378245355864507 | 0 2 42 44 102 104 162 164 204 206 | 323762400126 |
| STPT(10) | 1991378534531565857 | 0 2 30 32 42 44 54 56 84 86 | 612938101476 |
| SPT(16) | 1991379044403493079 | 0 18 20 44 60 104 114 132 140 158 168 212 228 252 254 272 | 1122810028698 |
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