23630

Appears in sequences

• T(n, k) = S(2*n + 1, n, k + 1) for 0<=k<=n and n >= 0, array S as in A050157.at n=40A050158
• Number of permutations of length n which avoid the patterns 3124, 3421, 4231.at n=9A116814
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 625", based on the 5-celled von Neumann neighborhood.at n=27A273272
• Number of ways to choose a strict composition of each part of a strict integer partition of n.at n=18A336142