Subsequence of A167708 whose indices are congruent to 1 mod 5, i.e., a(n) = A167708(5*n+1).

A167774

Subsequence of A167708 whose indices are congruent to 1 mod 5, i.e., a(n) = A167708(5*n+1).

Terms

    a(0) =9a(1) =1530a(2) =520191a(3) =176863410a(4) =60133039209

External references