479001588

Appears in sequences

• a(n) = n! - n.at n=12A005096
• Largest number k such that (k!+n!)/(k+n) is an integer.at n=10A242747
• Largest number such that 2^a(n) is a divisor of (n!)!.at n=12A245087
• Number of cyclic permutations of [n] with symmetry order s=1.at n=12A325956