1881600

Appears in sequences

• Number of non-attacking placements of 3 rooks on an n X n board.at n=15A179058
• Number of n X 5 0..3 arrays with no element equal to another at a city block distance of exactly two, and new values 0..3 introduced in row major order.at n=11A222835
• Triangle read by rows. A generalization of unsigned Lah numbers, called L[2,1].at n=40A286724
• Number of minimum total dominating sets in the n X n rook complement graph.at n=15A303212
• Interpolating the factorial and the powers of 2. Triangle read by rows, T(n, k) for 0 <= k <= n.at n=40A331333
• Expansion of e.g.f. 1/(1 + (log(1 - x^2))/x)^2.at n=8A375806
• Product of nonzero remainders n mod p, over all primes p < n.at n=32A383752