51114

Appears in sequences

• Number of arrays of the median of three adjacent elements of some length n+2 0..1 array.at n=17A228733
• Number of paths from (0,0) to the line x = n, each consisting of segments given by the vectors (1,1), (1,2), (1,-1), with vertices (i,k) satisfying 0 <= k <= 3.at n=16A247322
• Number of compositions of n into distinct parts where each part i is marked with a word of length i over an n-ary alphabet whose letters appear in alphabetical order.at n=6A261837
• Number of compositions of n into distinct parts where each part i is marked with a word of length i over a senary alphabet whose letters appear in alphabetical order.at n=6A261844
• The number of overpartitions of n whose Frobenius symbols have only odd parts in the top row.at n=44A347206
• G.f. A(x) satisfies A(x) = 1 + x/(1+x^2)^3 * A(x)^2.at n=16A390133