a(1) = 2; a(n) = k*a(n-1) + 1 is a multiple of n-th prime with k > 1.
A069564
a(1) = 2; a(n) = k*a(n-1) + 1 is a multiple of n-th prime with k > 1.
Terms
- a(0) =2a(1) =9a(2) =55a(3) =441a(4) =4411a(5) =13234a(6) =26469a(7) =238222a(8) =476445a(9) =3335116a(10) =60032089a(11) =1680898493a(12) =15128086438a(13) =605123457521
External references
- oeis: A069564