Number of degree-n irreducible polynomials over GF(2) with trace = 1 and subtrace = 1.

Terms

a(0) =0a(1) =1a(2) =0a(3) =1a(4) =2a(5) =2a(6) =5a(7) =8a(8) =13a(9) =27a(10) =45a(11) =85a(12) =160a(13) =288a(14) =550a(15) =1024a(16) =1920a(17) =3654a(18) =6885a(19) =13107a(20) =24989a(21) =47616a(22) =91225a(23) =174760a(24) =335462a(25) =645435a(26) =1242600a(27) =2396745a(28) =4628480a(29) =8947294