215250

Appears in sequences

• Number of primitive (period n) n-bead necklace structures using a maximum of four different colored beads.at n=12A056300
• Number of n-bead necklace structures which are not self-equivalent under a nonzero rotation using a maximum of four different colored beads.at n=13A328743
• Even numbers k such that the sum of divisors of k in Gaussian integers is a real number.at n=8A332532
• Triangle read by rows. Number T(n, k) of partitions of the multiset [1, 1, 1, 1, 2, 2, 2, 2, ..., n, n, n, n] into k nonempty submultisets, for 1 <= k <= 4n.at n=31A358722