Column 1 of triangle A113378, also equals column 0 of A113389^4.
A113380
Column 1 of triangle A113378, also equals column 0 of A113389^4.
Terms
- a(0) =1a(1) =12a(2) =168a(3) =3190a(4) =80136a(5) =2553162a(6) =99579994a(7) =4624245724a(8) =250138459808
External references
- oeis: A113380