39916799
domain: N
Appears in sequences
- If n is even, 2(n/2 + 1)! - 1; if n is odd, ((n + 1)/2 + 1)! - 1.at n=18A030494
- a(n) = n! - 1.at n=11A033312
- Moebius transform of n!.at n=10A062794
- T_10(n) in the notation of Bergeron et al., u_10(n) in the notation of Gessel: Related to Young tableaux of bounded height.at n=10A072167
- a(n) = Sum_{1<=k<=n, gcd(n,k)=1} (-1)^(n-k)*Stirling1(n,k).at n=10A096314
- Triangle read by rows in which the n-th row consists of the first n nonzero terms of A033312.at n=54A105060
- a(n)= numerator of ((n + 5)! - (n - 5)!)/(n!).at n=1A127229
- a(n) = prime(n)!-1.at n=4A139189
- The coefficients (times n!) of the expansion of the sum {k=1 to Inf.} of Sin(x^n).at n=11A176473
- Number of permutations of [n] avoiding adjacent step pattern {up}^10.at n=11A230233
- Least k such that n! + k^2 + k is a perfect square.at n=11A230389
- a(n) = n! * Sum_{d|n} mu(d) / d!.at n=10A332466
- a(n) = n! * Sum_{d|n} mu(d) / (d!)^(n/d).at n=10A332467
- a(n) is the rank of row n of A375301 in a lexicographic permutation of [1, ..., n].at n=12A375302