50840

Appears in sequences

• T(n,0) + T(n,1) + ... + T(n,n), T given by A026692.at n=14A026699
• a(n) = (n-1)*(2*n-1)*(3*n-1).at n=21A033594
• Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=1, r=5, I={0,1,4}.at n=46A079956
• Triangle of generalized Stirling numbers of the first kind.at n=59A094645
• Fifth column (m=4) of (1,3)-Pascal triangle A095660.at n=29A095661
• In the interior of a regular 2n-gon with all diagonals drawn, the number of points where exactly three diagonals intersect.at n=39A101363
• Expansion of e.g.f. (1 + y)^(1 + x).at n=59A105793
• Numbers x such that sigma(x) = sigma(y), with x<>y, where y is the 10's complement mod 10 of the digits of x.at n=20A300447