27907200

Appears in sequences

• Product of 6 consecutive integers.at n=20A053625
• Write the integers in groups: 0; 1,2; 3,4,5; 6,7,8,9; ... and form the product of the members of each group.at n=5A056923
• Triangle T(n,r), n>=0, r=n, n-1, ..., 1, 0; where T(n,r) = product of all possible sums of r numbers chosen from [1..n].at n=22A067050
• Number of (n+2) X 8 binary arrays avoiding patterns 001 and 101 in rows and columns.at n=12A202200
• a(n) = Product_{k = 1+n-floor(n/3) .. n} k.at n=19A254865
• E.g.f. satisfies A(x) = -log(1 - x * exp(2 * A(x))).at n=7A357392