2381400
domain: N
Appears in sequences
- Smallest order for which there are n nonisomorphic finite Hamiltonian groups, or 0 if no such order exists.at n=29A104453
- Third column (m=2) of unsigned triangle A111595.at n=7A111602
- a(n) = C(n+2,2)*(2*n)!/2^n.at n=5A132912
- Triangle read by rows: T(n,k) (n>=1, 1 <= k <= n) = number of permutations of [1..n] in which none of the cycle lengths are divisible by k.at n=48A213280
- Powerful numbers (A001694) whose sum of powerful divisors (including 1) is also powerful.at n=25A349109
- a(n) = Product_{k=0..n} (k^2 + n).at n=5A375839
- Lexicographically earliest sequence of distinct positive integers such that the product of two consecutive terms is always a factorial number.at n=22A382067