Number of compositions of n whose Lyndon factorization is uniform.

Terms

a(0) =1a(1) =2a(2) =4a(3) =7a(4) =12a(5) =20a(6) =33a(7) =55a(8) =92a(9) =156a(10) =267a(11) =466a(12) =822a(13) =1473a(14) =2668a(15) =4886a(16) =9021a(17) =16786a(18) =31413a(19) =59101a(20) =111654a(21) =211722a(22) =402697a(23) =768025a(24) =1468170a(25) =2812471a(26) =5397602a(27) =10376418a(28) =19978238a(29) =38519537