44524

Appears in sequences

• Generalized Stirling numbers, [n+7,7]_5.at n=4A001722
• Generalized Stirling number triangle of first kind.at n=23A049460
• a(n) = sum of n-th column in array in A100452.at n=36A100454
• Number of (w,x,y,z) with all terms in {1,...,n} and w^2<=x^2+y^2+z^2.at n=15A212093
• Number of non-isomorphic n X n nonnegative integer matrices with all row and column sums equal to 4 up to permutations of rows and columns.at n=7A232216
• Coordination sequence for (2,3,7) tiling of hyperbolic plane.at n=54A265057
• Array read by antidiagonals: T(n,k) is the number of non-isomorphic n X n nonnegative integer matrices with all row and column sums equal to k up to permutations of rows and columns.at n=73A333733
• Triangle read by rows: T(n, k) = Sum_{i=0..n-k} Stirling1(i + m, m)*binomial(n+m+1, n-k-i)*(n + m - k)!/(i + m)!, for m = 2.at n=31A376634