1,4

Let a = RootOf( x^2+x+1 ) and b = 1+a. Same as number of degree-n irreducible polynomials over GF(4) with trace a and subtrace 0. Same as number of degree-n irreducible polynomials over GF(4) with trace b and subtrace 0.

F. Ruskey, Number of irreducible polynomials over GF(4) with given trace and subtrace

Cf. A074031, A074032, A074034, A074035.

Sequence in context: A059140 A031164 A116600 this_sequence A093920 A011844 A075468

Adjacent sequences: A074030 A074031 A074032 this_sequence A074034 A074035 A074036

easy,nice,nonn

Frank Ruskey, Nate Kube (fruskey(AT)cs.uvic.ca), Aug 26 2002