a(n) = F(12*n)/(12^2) with the Fibonacci numbers F = A000045.

A253368

a(n) = F(12*n)/(12^2) with the Fibonacci numbers F = A000045.

Terms

    a(0) =1a(1) =322a(2) =103683a(3) =33385604a(4) =10750060805

External references