39916789

Appears in sequences

• a(n) = n! - n.at n=11A005096
• a(n) = prime(n)! - prime(n).at n=4A267897
• Number of aperiodic permutations of {1..n}.at n=10A324514
• Irregular table T(n, k), n >= 0, k = 1..max(1, n), read by rows; T(n, k) is the number of permutations s of { 1..n } such that p(s) = k where p(s) is the least m > 0 such that, working in Z/nZ, s(i) + m = s(i + m) for i = 1..n.at n=66A343488