52357696365domain: NAppears in sequencesNumber of monic irreducible polynomials over GF(4) of degree n with fixed nonzero trace.at n=20A054660Number of monic irreducible polynomials over GF(4) with zero trace.at n=20A054661Number of 4-ary Lyndon words of length n with trace 0 mod 4.at n=20A054664