List of imprimitive words over the alphabet {1,2}.

Terms

a(0) =11a(1) =22a(2) =111a(3) =222a(4) =1111a(5) =1212a(6) =2121a(7) =2222a(8) =11111a(9) =22222a(10) =111111a(11) =112112a(12) =121121a(13) =121212a(14) =122122a(15) =211211a(16) =212121a(17) =212212a(18) =221221a(19) =222222a(20) =1111111a(21) =2222222a(22) =11111111a(23) =11121112a(24) =11211121a(25) =11221122a(26) =12111211a(27) =12121212a(28) =12211221a(29) =12221222