17280000

Appears in sequences

• Multiply successively by 1 (once), 2 (twice), 3 (thrice), etc.at n=14A010552
• Product of nonzero digits of A066555(n).at n=18A066585
• Denominator of x(n) = Sum_{k=1..n} ((odd part of k)/(k^5)).at n=5A111923
• Coefficient of y^(n-3) in expansion of (y+n!)^n.at n=2A134358
• Triangle read by rows: T(n,k) is the number of permutations of {1,2,...,n} having k even entries that are followed by a smaller entry (n>=0, k>=0).at n=38A134434
• 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=34A134435
• Triangle read by rows: T(n,k) is the number of permutations of {1,2,...,n} having k adjacent pairs of the form (odd,even) (0<=k<=floor(n/2)).at n=39A145891
• 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=32A152666
• a(n) = [n/2]!*[(n+1)/2]!*C([n/2],3)*C([(n+1)/2],3).at n=10A226284
• Integer areas A of the integer-sided triangles such that the inradius and the radius of the three excircles are perfect squares.at n=27A233317
• Number of (n+2)X(3+2) 0..1 arrays with nondecreasing sum of every three consecutive values in every row and column.at n=5A251189
• Number of (n+2)X(6+2) 0..1 arrays with nondecreasing sum of every three consecutive values in every row and column.at n=2A251191
• T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with nondecreasing sum of every three consecutive values in every row and column.at n=30A251192
• Power and multiply: distinct numbers a^b * c^d * e^f * g^h * i^j where a..j are permutations of 0..9.at n=22A266914
• Number of black-white-balanced permutations of [n].at n=10A387861