Column 4 of triangle A113340, also equals column 0 of A113340^9.

A113344

Column 4 of triangle A113340, also equals column 0 of A113340^9.

Terms

    a(0) =1a(1) =9a(2) =117a(3) =1881a(4) =36051a(5) =805875a(6) =20661609a(7) =599319747a(8) =19443585048a(9) =698723462022

External references