52377

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=20A001037
• a(n) = (1/n) * Sum_{ d divides n } mu(n/d) * (2^d - 1).at n=19A059966
• Number of orbits of length n in map whose periodic points are A000051.at n=19A060477
• Numbers k such that phi(k)+sigma(k) is a perfect cube.at n=32A061366
• Integers that do not appear in A103502.at n=32A103504
• Inverse Euler transform of central binomial coefficients A000984.at n=10A131764
• Number of non-isomorphic weight-n multisets of multisets of non-singleton multisets.at n=10A323786
• Table read by antidiagonals where A(n,k) is the number of n X k aperiodic binary toroidal necklaces.at n=31A323861
• Table read by antidiagonals where A(n,k) is the number of n X k aperiodic binary toroidal necklaces.at n=32A323861