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Prime Tuple Database
Prime p0= 1991077044250129109 starts a
Symmetric tuple of 20 consecutive primes (SPT).
dn: 0 14 40 30 18 18 50 48 10 60 56 60 10 48 50 18 18 30 40 14 (?)
an: 0 14 54 84 102 120 170 218 228 288 344 404 414 462 512 530 548 578 618 632
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 632
Found by: [AF>Amis des Lapins] Phil1966
db: batch=80, k=20, 14 40 30 18 18 50 48 10 60 56
dn: 0 14 40 30 18 18 50 48 10 60 56 60 10 48 50 18 18 30 40 14 (?)
an: 0 14 54 84 102 120 170 218 228 288 344 404 414 462 512 530 548 578 618 632
All 20 integers pn = p0+an = pn-1+dn are prime and there are no other primes in the gaps.
diameter: 632
Found by: [AF>Amis des Lapins] Phil1966
db: batch=80, k=20, 14 40 30 18 18 50 48 10 60 56
| STPT(10) | 1991075854650949457 | 0 2 150 152 180 182 210 212 360 362 | -1189599179652 |
| SPT(16) | 1991076355171330499 | 0 42 80 102 114 140 218 224 228 234 312 338 350 372 410 452 | -689078798610 |
| STPT(10) | 1991076554643789161 | 0 2 6 8 48 50 90 92 96 98 | -489606339948 |
| STPT(10) | 1991076651336580859 | 0 2 18 20 30 32 42 44 60 62 | -392913548250 |
| SPT(16) | 1991076711135918331 | 0 16 18 28 46 48 106 142 216 252 310 312 330 340 342 358 | -333114210778 |
| STPT(10) | 1991076950517259901 | 0 2 6 8 18 20 30 32 36 38 | -93732869208 |
| SPT(16) | 1991077446857132891 | 0 12 20 56 60 66 90 116 132 158 182 188 192 228 236 248 | 402607003782 |
| SPT(16) | 1991077847383534537 | 0 70 84 96 132 136 154 166 180 192 210 214 250 262 276 346 | 803133405428 |
| TPT(14) | 1991077859404210481 | 0 2 60 62 90 92 156 158 186 188 210 212 216 218 | 815154081372 |
| STPT(10) | 1991077934214942887 | 0 2 12 14 42 44 72 74 84 86 | 889964813778 |
| STPT(10) | 1991078041445284997 | 0 2 30 32 102 104 174 176 204 206 | 997195155888 |
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