146313216000
domain: N
Appears in sequences
- Determinant of n X n matrix M_{i,j} = 2^i*P_i(j), where P_i(j) is the Legendre polynomial of order i at j and i and j are 0-based.at n=5A110131
- a(n) = Product_{k=0..n-1} k!*binomial(2k,k).at n=6A112332
- Number of permutations of {1,2,...,n} (n>=2) having a single run of even entries. For example, the permutation 513284679 has a single run of even entries: 2846.at n=15A152873
- a(n) = (n-1)! * (n+1)!.at n=8A175430
- a(n) = n!*(n+1)!*(n+2)!.at n=6A176037
- a(n) = n! / A055773(n).at n=16A182922
- a(n) = n! / A055773(n).at n=17A182922
- Number of length n mixed-radix numbers with base [2, 3, 4, ...] (factorial base) such that the parities of adjacent digits differ.at n=17A219024
- Numbers that can be written as a product of two or more consecutive factorial numbers.at n=19A334174