Numbers k such that x^k + x^7 + 1 is irreducible over GF(2).

Terms

a(0) =1a(1) =3a(2) =4a(3) =6a(4) =10a(5) =12a(6) =15a(7) =18a(8) =21a(9) =25a(10) =31a(11) =34a(12) =42a(13) =52a(14) =55a(15) =57a(16) =105a(17) =127a(18) =172a(19) =210a(20) =220a(21) =300a(22) =393a(23) =420a(24) =441a(25) =492a(26) =772a(27) =807a(28) =972a(29) =1023