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 A160186 #3 Sep 08 2013 13:31:46 %S A160186 2,1,3,4,7,6,8,9,12,11,13,14,17,16,18,19,22,21,23,24,27,26,28,29,32, %T A160186 31,33,34,37,36,38,39,42,41,43,44,47,46,48,49,52,51,53,54,57,56,58,59, %U A160186 62,61,63,64,67,66,68,69,72,71,73,74,77,76,78,79,82,81,83,84,87,86,88,89 %N A160186 Lodumo_5 of Lucas numbers. %C A160186 Multiples of 5 (see A008587) are missing . %F A160186 a(n)=lod_5(A000032(n)). %Y A160186 Cf. A000032, A008587, A070352 %K A160186 easy,nonn %O A160186 0,1 %A A160186 _Philippe Deléham_, May 03 2009