46625

Appears in sequences

• a(n) = degree in N of the number of orbits under S_N of the set of n-tuples of partitions of {1,...,N} into n subsets.at n=4A140124
• Number of n X n binary arrays with all ones connected only in a 0100-1100-0111-0010 pattern in any orientation.at n=8A147043
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 0100-1100-0111-0010 pattern in any orientation.at n=18A147045
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 0100-1100-0111-0010 pattern in any orientation.at n=19A147045
• Arithmetic derivative of the primorial base exp-function: a(n) = A003415(A276086(n)).at n=57A327860
• Denominator of ratio A003415(n) / A003415(A276086(n)), where A003415 is the arithmetic derivative and A276086 is the primorial base exp-function.at n=56A369039
• Dirichlet g.f.: zeta(s-3)^2 * (1 - 2^(4-s)) / zeta(s).at n=24A369101
• a(n) = Sum_{1 <= x_1, x_2, x_3 <= n} gcd(x_1, x_2, x_3, n)^3.at n=24A372928