9586395

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=28A001037
• a(n) = (1/n) * Sum_{ d divides n } mu(n/d) * (2^d - 1).at n=27A059966
• Number of orbits of length n in map whose periodic points are A000051.at n=27A060477
• Inverse Euler transform of central binomial coefficients A000984.at n=14A131764
• Table read by antidiagonals where A(n,k) is the number of n X k aperiodic binary toroidal necklaces.at n=48A323861
• Table read by antidiagonals where A(n,k) is the number of n X k aperiodic binary toroidal necklaces.at n=51A323861