34900

Appears in sequences

• Number of reduced words of length n in the Weyl group A_15.at n=6A161476
• Number T(n,k) of permutations of [n] with exactly k (possibly overlapping) occurrences of the consecutive step pattern up, down, up; triangle T(n,k), n>=0, 0<=k<=max(0,floor(n/2)-1), read by rows.at n=21A227884
• Mahonian numbers T(n,6) (cf. A008302).at n=12A242656
• Number of nX5 0..1 arrays with every element equal to 0, 1, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=10A303311
• Number of edge covers of fan graph F_{1,n}.at n=8A374096