735000

Appears in sequences

• For n >= 1, let M_n be the n X n matrix with M_n(i,j) = i^2/(i+j); then a(n) = 1/det(M_n). Also, a(0) = 1 by convention.at n=4A069651
• Seventh column of triangle A075500.at n=3A075915
• Duplicate of A069651.at n=4A090766
• Primal codes of canonical finite permutations on positive integers.at n=22A109299
• a(n) = A163085(n)/n!.at n=9A216628
• a(n) = A163085(n)/(floor(n/2)!)^2.at n=8A216629
• Number of nX5 0..1 arrays with every element equal to 1, 2, 3 or 6 king-move adjacent elements, with upper left element zero.at n=8A297990
• Triangle read by rows: T(n,k) (0 <= k <= n) = k!*(Stirling2(n,k)+(k+1)*Stirling2(n,k+1))^2.at n=24A334689