26090

Appears in sequences

• Sum of distinct orders of degree-n permutations.at n=26A060179
• Triangle T(n,m) = sum_{k=m..n} A001263(k,m).at n=60A104711
• a(n) = Sum_{k=0..n} binomial(n+k, k)*binomial(n+k+1, k+1)/(n+1).at n=5A185655
• Number of arrays of median of three adjacent elements of some length 6 0..n array, with no adjacent equal elements in the latter.at n=12A229014
• Number of compositions of n with strictly increasing differences.at n=48A325547