35790267

Appears in sequences

• Number of degree-n irreducible polynomials over GF(2); number of n-bead necklaces with beads of 2 colors when turning over is not allowed and with primitive period n; number of binary Lyndon words of length n.at n=30A001037
• a(n) = (1/n) * Sum_{ d divides n } mu(n/d) * (2^d - 1).at n=29A059966
• Number of orbits of length n in map whose periodic points are A000051.at n=29A060477
• Table read by antidiagonals where A(n,k) is the number of n X k aperiodic binary toroidal necklaces.at n=49A323861
• Table read by antidiagonals where A(n,k) is the number of n X k aperiodic binary toroidal necklaces.at n=50A323861