List of subwords (or factors) of the Kolakoski sequence (A000002).

Terms

a(0) =1a(1) =2a(2) =11a(3) =12a(4) =21a(5) =22a(6) =112a(7) =121a(8) =122a(9) =211a(10) =212a(11) =221a(12) =1121a(13) =1122a(14) =1211a(15) =1212a(16) =1221a(17) =2112a(18) =2121a(19) =2122a(20) =2211a(21) =2212a(22) =11211a(23) =11212a(24) =11221a(25) =12112a(26) =12122a(27) =12211a(28) =12212a(29) =21121