56450

Appears in sequences

• Number of partitions of 3n-1 into n nonnegative integers each no more than 6.at n=34A001978
• Number of 2n-bead black-white complementable necklaces with n black beads.at n=12A045629
• Number of n-bead necklace structures using exactly three different colored beads.at n=13A056296
• a(n) = ceiling(n^3*(Pi/2)).at n=32A248198
• Triangle read by rows, 1 <= k <= n: T(n,k) = non-isomorphic colorings of a toroidal n X k grid using exactly three colors under translational symmetry and swappable colors.at n=22A294792