72000000

Appears in sequences

• One tenth of deca-factorial numbers.at n=5A035279
• Number of forests with two connected components in the complete graph K_{n}.at n=9A083483
• Triangle read by rows: T(n, m) = number of forests with n nodes and m labeled trees. Also number of forests with exactly n - m edges on n labeled nodes.at n=46A105599
• Powerful(1) numbers (A001694) whose digit reversal is a cube.at n=29A115693
• Triangle read by rows: T(n, k) is the number of forests on n labeled nodes with k edges. T(n, k) for n >= 1 and 0 <= k <= n-1.at n=53A138464
• Number of permutations of 9 indistinguishable copies of 1..n arranged in a circle with exactly 1 local maximum.at n=6A159740
• Integers whose double is a square and whose triple is a cube.at n=10A286930