63580

Appears in sequences

• Restricted combinations.at n=22A006500
• a(n) = Fibonacci(n)^2 * Fibonacci(n+1).at n=9A066258
• Triangle of Touchard's chord enumerating polynomial coefficients [x^k] P_n(x).at n=57A322456
• Position in A356226 of first appearance of the n-th composition in standard order (row n of A066099).at n=46A356603
• Triangle read by rows. T(n, k) = ((n - k + 1)*(n - k + 2)/2) * T(n, k - 1) + T(n - 1, k) for 0 < k < n, T(n, 0) = 1 and T(n, n) = T(n, n - 1) for n > 0.at n=31A365674