Column 1 of triangle A113084, which satisfies the recurrence: A113084(n,k) = [A113084^3](n-1,k-1) + [A113084^3](n-1,k).

A113086

Column 1 of triangle A113084, which satisfies the recurrence: A113084(n,k) = [A113084^3](n-1,k-1) + [A113084^3](n-1,k).

Terms

    a(0) =1a(1) =4a(2) =33a(3) =586a(4) =23299a(5) =2166800a(6) =490872957a(7) =280082001078

External references