a(n) = A000930(n^2), where A000930 is Narayana's cows sequence.

A231620

a(n) = A000930(n^2), where A000930 is Narayana's cows sequence.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =19a(4) =277a(5) =8641a(6) =578949a(7) =83316385a(8) =25753389181

External references