23525

Appears in sequences

• Expansion of 1/sqrt(1 - 10*x + x^2).at n=5A006442
• Numbers k such that k and k^2 use only the digits 2, 3, 4, 5 and 6.at n=15A137067
• Coefficient of x^n in expansion of (1+n*x+(n+1)*x^2)^n.at n=5A187019
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 169", based on the 5-celled von Neumann neighborhood.at n=33A270463
• Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of 1/sqrt(1 - 2*(2*k+1)*x + x^2).at n=33A335333
• P_5(2n+1), the Legendre polynomial of order 5 at 2n+1.at n=2A335338