38214

Appears in sequences

• Integer part of ((4th elementary symmetric function of 1,2,..,n)/(2nd elementary symmetric function of 1,2,...,n)).at n=36A024173
• Numbers k such that sigma(k) = sigma(k+1)+sigma(k-1).at n=3A073500
• Triangle read by rows: a(n,k) = number of paths of n upsteps U and n downsteps D that contain k UDUs.at n=47A097692
• a(n) = (n+1)*(n+2)^2*(n+3)*(n+4)*(5*n^2 + 18*n + 15)/720.at n=7A107962
• Number of n X 3 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 0 1 0 vertically.at n=10A207769