5388768000

Appears in sequences

• Number of 4-cycles in the n-Bruhat graph.at n=11A317487
• a(n) = Product_{k=0..n} (6*k)! / k!^6.at n=2A367570
• a(n) = n! - 2(n-1)! + 3(n-2)!.at n=11A374649