864000

Appears in sequences

• Number of k's such that A002034(k) = n.at n=31A038024
• Denominator of x(n) = Sum_{k=1..n} ((odd part of k)/(k^4)).at n=4A111921
• Denominator of x(n) = Sum_{k=1..n} ((odd part of k)/(k^4)).at n=5A111921
• Let k(n) = mod(3,n)-1. Then a(n) = 4*a(n-1) if n is odd, otherwise ((5+k(n))/4)*a(n-1), with a(0) = 1, a(1) = 2.at n=17A123761
• Let k(n) = mod(3,n)-1. Then a(n) = 4*a(n-1) if n is odd, otherwise ((5+k(n))/4)*a(n-1), with a(0) = 1, a(1) = 2.at n=18A123761
• Denominators of the central moments of the distribution of areas for triangles picked at random in a triangle of unit area.at n=4A130118
• Triangle read by rows: T(n,k) is the number of permutations of {1,2,...,n} having k odd entries that are followed by a smaller entry (n >= 0, k >= 0).at n=27A134435
• Triangle read by rows: T(n,k) is the number of permutations of {1,2,...,n} having k odd entries that are followed by a smaller entry (n >= 0, k >= 0).at n=29A134435
• Triangle T(n,k), 0 <= k < n, read by rows: T(n,k) is the number of permutations of the set O_n = {1,3,5,...,2n-1} with k excedances.at n=51A136716
• Triangle T(n,k), 0 <= k < n, read by rows: T(n,k) is the number of permutations of the set O_n = {1,3,5,...,2n-1} with k excedances.at n=53A136716
• Triangle read by rows: T(n,k) is the number of permutations of {1,2,...,n} having k adjacent pairs of the form (even,even) (0<=k<=floor(n/2)-1).at n=23A145892
• Triangle read by rows: T(n,k) is the number of permutations of {1,2,...,n} having k adjacent pairs of the form (even,even) (0<=k<=floor(n/2)-1).at n=25A145892
• Triangle read by rows: T(n,k) is the number of permutations of {1,2,...,n} having k runs of odd entries (1<=k<=ceiling(n/2)). For example, the permutation 321756498 has 3 runs of odd entries: 3, 175 and 9.at n=26A152666
• Triangle read by rows: T(n,k) is the number of permutations of {1,2,...,n} having k runs of odd entries (1<=k<=ceiling(n/2)). For example, the permutation 321756498 has 3 runs of odd entries: 3, 175 and 9.at n=28A152666
• Triangle read by rows: T(n,k) is the number of permutations of {1,2,...,n} having k runs of even entries (n >= 2, 1 <= k <= floor(n/2)). For example, the permutation 321756498 has 3 runs of even entries: 2, 64 and 8.at n=21A152667
• Triangle read by rows: T(n,k) is the number of permutations of {1,2,...,n} having k runs of even entries (n >= 2, 1 <= k <= floor(n/2)). For example, the permutation 321756498 has 3 runs of even entries: 2, 64 and 8.at n=23A152667
• a(n) = floor(1/{(1+n^4)^(1/4)}), where {} = fractional part.at n=59A184536
• Sorted number of vertices of distinct solutions in the mix of 2 or 3 regular convex 4-polytopes.at n=28A199807
• Duplicate of A199807.at n=29A199810
• Sorted orders of automorphism groups of distinct solutions in the mix of 2 or 3 regular convex 4-polytopes.at n=6A199811