This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A045685 #10 Sep 29 2017 17:15:23 %S A045685 0,0,0,0,2,2,14,12,56,54,230,220,870,860,3348,3302,12672,12614,48280, %T A045685 48108,183990,183720,704156,703384,2701128,2700058,10395580,10392354, %U A045685 40104974,40100216,155097460,155084752,601034752,601014634,2333527814 %N A045685 Number of 2n-bead balanced binary necklaces of fundamental period 2n which are equivalent to their reverse, but not equivalent to their complement and reversed complement. %C A045685 The number of length 2n balanced binary Lyndon words which are equivalent to their reverse is A045680(n) and the number which are equivalent to their reverse, complement and reversed complement is A045683(n). - _Andrew Howroyd_, Sep 28 2017 %H A045685 <a href="/index/Lu#Lyndon">Index entries for sequences related to Lyndon words</a> %F A045685 From _Andrew Howroyd_, Sep 28 2017: (Start) %F A045685 Moebius transform of A045676. %F A045685 a(n) = A045680(n) - A045683(n). %F A045685 (End) %Y A045685 Cf. A045676, A045680, A045683. %K A045685 nonn %O A045685 0,5 %A A045685 _David W. Wilson_