35792568

Appears in sequences

• Number of n-bead necklaces with 2 colors when turning over is not allowed; also number of output sequences from a simple n-stage cycling shift register; also number of binary irreducible polynomials whose degree divides n.at n=30A000031
• Incorrect version of A091967.at n=30A031135
• Incorrect version of A107357.at n=30A037181
• Number of nonisomorphic circulant digraphs (i.e., Cayley digraphs for the cyclic group) of order n.at n=30A049297
• Number of step shifted (decimated) sequence structures using a maximum of two different symbols.at n=30A056391
• a(n) is the n-th term of sequence A_n, ignoring the offset, or -1 if A_n has fewer than n terms.at n=30A091967
• Bisection of A000031.at n=15A100446
• Number of necklaces with n beads of 3 colors, no 2 adjacent beads the same color.at n=29A106365
• Number of distinct n X 2 toroidal binary arrays.at n=14A184264
• Number of distinct n X 3 toroidal binary arrays.at n=9A184265
• Number of distinct n X 5 toroidal binary arrays.at n=5A184267
• Number of distinct n X 6 toroidal binary arrays.at n=4A184268
• Table read by antidiagonals: T(n,k) = number of distinct n X k toroidal binary arrays (n >= 1, k >= 1).at n=49A184271