a(n) = period of x^n + x + 1 over GF(2), i.e., the smallest integer m>0 such that x^n + x + 1 divides x^m + 1 over GF(2).

A046932

a(n) = period of x^n + x + 1 over GF(2), i.e., the smallest integer m>0 such that x^n + x + 1 divides x^m + 1 over GF(2).

Terms

    a(0) =1a(1) =3a(2) =7a(3) =15a(4) =21a(5) =63a(6) =127a(7) =63a(8) =73a(9) =889a(10) =1533a(11) =3255a(12) =7905a(13) =11811a(14) =32767a(15) =255a(16) =273a(17) =253921a(18) =413385a(19) =761763a(20) =5461a(21) =4194303a(22) =2088705a(23) =2097151a(24) =10961685a(25) =298935a(26) =125829105a(27) =17895697a(28) =402653181a(29) =10845877

External references