Column 0 of triangle A118022, where the matrix square of A118022 shifts each column up 1 row, dropping the main diagonal of powers of 2.

A118023

Column 0 of triangle A118022, where the matrix square of A118022 shifts each column up 1 row, dropping the main diagonal of powers of 2.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =19a(4) =243a(5) =6227a(6) =319251a(7) =32737427a(8) =6714170259

External references