a(n) is the smallest prime p such that tau(p-1) = 2^n.
A343087
a(n) is the smallest prime p such that tau(p-1) = 2^n.
Terms
- a(0) =3a(1) =7a(2) =31a(3) =211a(4) =1321a(5) =7561a(6) =120121a(7) =1580041a(8) =24864841a(9) =328648321a(10) =7558911361a(11) =162023621761
External references
- oeis: A343087