1398500

Appears in sequences

• Number of n-bead necklaces with 4 colors.at n=12A001868
• An intermediate sequence for nonisomorphic circulant directed p^2-graphs, indexed by odd primes p.at n=4A038779
• Number of complementary pairs of circulant digraphs on n nodes.at n=25A054930
• Number of necklaces with n beads of 5 colors, no 2 adjacent beads the same color.at n=11A106367
• Number of distinct n X 3 toroidal 0..3 arrays.at n=3A184274
• Number of distinct n X 4 toroidal 0..3 arrays.at n=2A184275
• Table read by antidiagonals: T(n,k) = number of distinct n X k toroidal 0..3 arrays.at n=17A184277
• Table read by antidiagonals: T(n,k) = number of distinct n X k toroidal 0..3 arrays.at n=18A184277