Number of primitive n-bead necklaces (turning over is allowed) comprising elements of two flavors where complements and scalings are equivalent.

A364468

Number of primitive n-bead necklaces (turning over is allowed) comprising elements of two flavors where complements and scalings are equivalent.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =3a(6) =3a(7) =8a(8) =12a(9) =20a(10) =35a(11) =62a(12) =106a(13) =189a(14) =343a(15) =603a(16) =1130a(17) =2055a(18) =3860a(19) =7154a(20) =13562a(21) =25463a(22) =48607a(23) =92204a(24) =176646a(25) =337587a(26) =649151a(27) =1246819a(28) =2404519a(29) =4636389

External references