39191040

Appears in sequences

• Product of digits of 2^n.at n=35A014257
• a(n) = product of numbers k <= n such that not all proper divisors of k are divisors of n.at n=19A158978
• E.g.f. satisfies: A(x) = exp(x^2*A(x)) where A(x) = Sum_{n>=0} a(n)*x^(2n)/(2n)!.at n=5A178949
• Triangle of the value of Bell polynomials of the second kind B(n,m)(6,30,120,360,720,720) in row n, column m.at n=34A188062
• Triangle read by rows, T(n,k) = k^n*A056040(n), n>=0, 0<=k<=n.at n=34A195009
• Number of defective 3-colorings of an n X 3 0..2 array connected horizontally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.at n=8A229581
• Number of permutations p of [n] such that |p(i+10) - p(i)| <> 10 for i in [n-10].at n=11A360463
• Maximum possible product of differences of every pair in a set of nonnegative integers with sum n.at n=21A382328