Number of Lyndon compositions of n where every pair of adjacent parts (including the last with the first) is relatively prime.

A328669

Number of Lyndon compositions of n where every pair of adjacent parts (including the last with the first) is relatively prime.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =2a(4) =4a(5) =6a(6) =11a(7) =18a(8) =31a(9) =52a(10) =93a(11) =157a(12) =278a(13) =479a(14) =846a(15) =1486a(16) =2646a(17) =4675a(18) =8348a(19) =14864a(20) =26629a(21) =47699a(22) =85777a(23) =154289a(24) =278317a(25) =502436a(26) =908879a(27) =1645712a(28) =2984545a(29) =5417742

External references