Self-convolution 6th power of A113672, where a(n) = A113672(n+1)/(n+1).

A113666

Self-convolution 6th power of A113672, where a(n) = A113672(n+1)/(n+1).

Terms

    a(0) =1a(1) =6a(2) =87a(3) =1946a(4) =57429a(5) =2075376a(6) =88058362a(7) =4272270786a(8) =232769956974

External references