Diagonal of square table A113103; also, a(n) equals the n-th term in column 0 of the matrix (n+1)-th power of triangle A113106.

A113105

Diagonal of square table A113103; also, a(n) equals the n-th term in column 0 of the matrix (n+1)-th power of triangle A113106.

Terms

    a(0) =1a(1) =2a(2) =33a(3) =2704a(4) =1082905a(5) =2156566656

External references