Column 0 of matrix 4th power of triangle A134049; a(n) = [A134049^4](n,0) = A134049(n+2,2)/4^n.
A134052
Column 0 of matrix 4th power of triangle A134049; a(n) = [A134049^4](n,0) = A134049(n+2,2)/4^n.
Terms
- a(0) =1a(1) =4a(2) =36a(3) =876a(4) =63520a(5) =14568940a(6) =11015752544
External references
- oeis: A134052