129406

Appears in sequences

• Triangle Q, read by rows, such that Q^2 transforms column k of Q^2 into column k+1 of Q^2, so that column k of Q^2 equals column 0 of Q^(2*k+2), where Q^2 denotes the matrix square of Q.at n=30A113350
• Column 2 of triangle A113350, also equals column 0 of A113340^6.at n=5A113352
• Triangle, read by rows, given by the product Q^-1*P^2, where the triangular matrices involved are P = A113340 and Q = A113350.at n=39A113368