a(0)=0; for n > 0, a(n) = (n+1)^(n-2)*2^(n^2).

A086804

a(0)=0; for n > 0, a(n) = (n+1)^(n-2)*2^(n^2).

Terms

    a(0) =0a(1) =1a(2) =16a(3) =2048a(4) =1638400a(5) =7247757312

External references