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 0 and subtrace a. Same as number of degree-n irreducible polynomials over GF(4) with trace 0 and subtrace b.

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

Cf. A074031, A074033, A074034, A074035.

Adjacent sequences: A074029 A074030 A074031 this_sequence A074033 A074034 A074035

Sequence in context: A102433 A100320 A064649 this_sequence A074450 A028403 A002996

easy,nice,nonn

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