List of imprimitive words over the alphabet {1,3}.

Terms

a(0) =11a(1) =33a(2) =111a(3) =333a(4) =1111a(5) =1313a(6) =3131a(7) =3333a(8) =11111a(9) =33333a(10) =111111a(11) =113113a(12) =131131a(13) =131313a(14) =133133a(15) =311311a(16) =313131a(17) =313313a(18) =331331a(19) =333333a(20) =1111111a(21) =3333333a(22) =11111111a(23) =11131113a(24) =11311131a(25) =11331133a(26) =13111311a(27) =13131313a(28) =13311331a(29) =13331333