1244672

Appears in sequences

• Denominators of coefficients of Green function for cubic lattice.at n=9A003283
• a(n) = 2^n * C(n+1), where C(n) = A000108(n) Catalan numbers.at n=8A003645
• A subdiagonal of number array A082137.at n=7A082145
• Riordan array (1, x*c(2x)), c(x) the g.f. of A000108.at n=57A110510
• Triangle T(n,k), 0 <= k <= n, defined by : T(n,k) = 0 if k < 0, T(0,k) = 0^k, (n+2)*(2*n-2*k+1)*T(n,k) = (2*n+1)*( 4*(2*n-2*k+1)*T(n-1,k-1) + (n+2*k+2)*T(n-1,k) ).at n=44A123382
• Riordan array (c(2x)^2,xc(2x)), c(x) the g.f. of A000108.at n=36A167432
• Triangle read by rows, T(n,k) for 0<=k<=n, generalizes the Motzkin lattice paths with weights of A003645.at n=36A201639