Numbers n such that x^n + x^13 + 1 is irreducible over GF(2).

Terms

a(0) =28a(1) =31a(2) =33a(3) =84a(4) =87a(5) =103a(6) =174a(7) =414a(8) =574a(9) =687a(10) =780a(11) =1111a(12) =1449a(13) =1860a(14) =6964a(15) =7708a(16) =11700a(17) =17428a(18) =19398a(19) =19876a(20) =78391a(21) =131305a(22) =136564a(23) =181684