Number of 2-elements orbits of S3 action on irreducible polynomials of degree 3n, n > 0, over GF(2).

A165920

Number of 2-elements orbits of S3 action on irreducible polynomials of degree 3n, n > 0, over GF(2).

Terms

    a(0) =1a(1) =0a(2) =1a(3) =1a(4) =2a(5) =3a(6) =6a(7) =10a(8) =19a(9) =33a(10) =62a(11) =112a(12) =210a(13) =387a(14) =728a(15) =1360a(16) =2570a(17) =4845a(18) =9198a(19) =17459a(20) =33288a(21) =63519a(22) =121574a(23) =232960a(24) =447392a(25) =860265a(26) =1657009a(27) =3195465a(28) =6170930a(29) =11930100

External references