Number of Frobenius equivalence classes of size n over GF(2^n) with their trace equal to the trace of their inverse.

A137503

Number of Frobenius equivalence classes of size n over GF(2^n) with their trace equal to the trace of their inverse.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =4a(4) =3a(5) =8a(6) =16a(7) =28a(8) =45a(9) =96a(10) =167a(11) =308a(12) =579a(13) =1100a(14) =2018a(15) =3852a(16) =7280a(17) =13776a(18) =26133a(19) =49996a(20) =95223a(21) =182248a(22) =349474a(23) =671176a(24) =1289925a(25) =2485644a(26) =4793355a(27) =9255700a(28) =17894421a(29) =34638296

External references