67267200domain: NAppears in sequencesa(n)=2*n!/d(n!); d(m)=A000005(m) is the number of divisors of m.at n=14A125721a(n) = 4*(n^1 + 1!)*(n^2 + 2!)*(n^3 + 3!)*(n^4 + 4!)*(n^5 + 5!)/5!.at n=4A131527Number of permutations of [n] such that the number of cycles of length k is zero or equals k for every k.at n=14A372579