455168

Appears in sequences

• Expansion of Product_{m>=1} (1 + m*q^m)^-4.at n=22A022696
• Number of (n+2) X (1+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3 X 3 subblock summing to 0 2 4 5 7 or 9.at n=13A251645
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 369", based on the 5-celled von Neumann neighborhood.at n=18A287859
• Numbers m such that the equation m = k*sigma(k) has more than one solution.at n=16A337873
• Integers that can be written m = k*sigma(k) = q*sigma(q) where (k, q) is a primitive solution of this equation and sigma(m) is the sum of divisors of (m).at n=6A337875