Column 2 of triangle A113370, also equals column 0 of A113370^7.

A113372

Column 2 of triangle A113370, also equals column 0 of A113370^7.

Terms

    a(0) =1a(1) =7a(2) =91a(3) =1722a(4) =43764a(5) =1415799a(6) =56096733a(7) =2644883675a(8) =145131435225

External references