List of co-Lyndon words on {1,2} sorted first by length and then lexicographically.

Terms

a(0) =1a(1) =2a(2) =21a(3) =211a(4) =221a(5) =2111a(6) =2211a(7) =2221a(8) =21111a(9) =21211a(10) =22111a(11) =22121a(12) =22211a(13) =22221a(14) =211111a(15) =212111a(16) =221111a(17) =221121a(18) =221211a(19) =222111a(20) =222121a(21) =222211a(22) =222221a(23) =2111111a(24) =2112111a(25) =2121111a(26) =2121211a(27) =2211111a(28) =2211121a(29) =2211211