Main diagonal of square table A113092; also, a(n) equals the n-th term in column 0 of the matrix n-th power of triangle A113095.
A113093
Main diagonal of square table A113092; also, a(n) equals the n-th term in column 0 of the matrix n-th power of triangle A113095.
Terms
- a(0) =1a(1) =1a(2) =13a(3) =693a(4) =146821a(5) =124626530a(6) =426524622399
External references
- oeis: A113093