Number of aperiodic necklaces (Lyndon words) with k<=5 black beads and n-k white beads.

Terms

a(0) =1a(1) =2a(2) =1a(3) =2a(4) =3a(5) =6a(6) =9a(7) =17a(8) =26a(9) =42a(10) =62a(11) =93a(12) =130a(13) =183a(14) =246a(15) =329a(16) =428a(17) =553a(18) =698a(19) =877a(20) =1082a(21) =1328a(22) =1608a(23) =1937a(24) =2307a(25) =2736a(26) =3215a(27) =3762a(28) =4369a(29) =5055