49852

Appears in sequences

• Susceptibility series H_3 for 2-dimensional Ising model (divided by 2).at n=22A054410
• Number of n-bead necklaces labeled with numbers -3..3 not allowing reversal, with sum zero.at n=7A208592
• T(n,k) = number of n-bead necklaces labeled with numbers -k..k not allowing reversal, with sum zero.at n=52A208597
• Number of 4 X 4 traceless matrices of nonnegative integers with all row and column sums <= n.at n=3A244877
• Expansion of Sum_{n>=0} x^n * Sum_{k=0..n} C(n,k)^2 * x^(2*k).at n=17A246840
• The numbers such that the sum of their proper divisors plus the product of their digits equals the number.at n=9A331099
• Number of subsets of {1..n} containing all of their own first differences.at n=19A364671