643680

Appears in sequences

• Number of n X n arrays containing n copies of 0..n-1 with row sums equal.at n=3A268362
• Number of n X 4 arrays of permutations of 4 copies of 0..n-1 with row sums equal.at n=3A268365
• T(n,k) = Number of n X k arrays containing k copies of 0..n-1 with row sums equal.at n=24A268367
• T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with column sums equal.at n=24A268472
• Number of 4Xn arrays containing n copies of 0..4-1 with column sums equal.at n=3A268473
• Expansion of e.g.f. 1/(1 - 3 * x * cosh(x)).at n=6A352649