50844

Appears in sequences

• a(n) = [ 3rd elementary symmetric function of {sqrt(k)} ], k = 1,2,...,n.at n=19A025194
• Values of n for which pi_{4,3}(p_n) - pi_{4,1}(p_n) = -1, where p_n is the n-th prime and pi_{m,a}(x) is the number of primes <= x which are congruent to a (mod m).at n=22A051024
• Number of 2-colored generalized Frobenius partitions.at n=19A051136
• Partial sums of A005587. Fourth column of triangle A115127.at n=17A115129
• Number of polyominoes of n cells with both horizontal and vertical symmetries, for which the 180-degree rotational symmetry has an axis that coincides with the center of a square, but without 90-degree rotational symmetry.at n=37A351190
• a(n) is the number of n-digit nonnegative integers with the median of the digits equal to the digital root.at n=5A378836