7085880domain: NAppears in sequences9-factorial numbers.at n=5A051232Triangle read by rows: T(n, m) = number of painted forests on labeled vertex set [n] with m trees. Also number of painted forests with exactly n - m edges.at n=37A106834a(n) = (n^3 - n)*9^n.at n=4A128969Partial products of A007425.at n=10A175596