Column 1 of triangle T=A134523, also equals column 0 of the matrix power T^3, where column k of T = column 0 of matrix power T^{(k+1)(k+2)/2} for k>=0.

A134524

Column 1 of triangle T=A134523, also equals column 0 of the matrix power T^3, where column k of T = column 0 of matrix power T^{(k+1)(k+2)/2} for k>=0.

Terms

    a(0) =1a(1) =3a(2) =12a(3) =75a(4) =744a(5) =11181a(6) =242835a(7) =7330930a(8) =297801232a(9) =15839503630

External references