21763632

Appears in sequences

• Triangle P, read by rows, such that P^2 transforms column k of P into column k+1 of P, so that column k of P equals column 0 of P^(2*k+1), where P^2 denotes the matrix square of P.at n=47A113340
• Column 2 of triangle A113340, also equals column 0 of A113340^5.at n=7A113342
• Triangle, read by rows, given by the product Q^2*P^-1, where the triangular matrices involved are P = A113340 and Q = A113350.at n=37A113369