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 A159970 #9 Sep 08 2013 13:31:39 %S A159970 0,3,1,5,4,10,15,9,8,6,14,13,18,23,28,2,11,19,7,16,20,21,26,25,24,12, %T A159970 30,31,29,34,39,33,17,35,38,22,36,27,32,41,40,43,46,45,50,55,60,44,48, %U A159970 51,49,53,37,58,63,42,56,54,61,68,66,71,76,65,59,47,70,64 %N A159970 Lodumo_5 of A102370 (sloping binary numbers) . %C A159970 Permutation of nonnegative integers . %C A159970 The Lodumo_m transformation of a sequence s(n) is defined by a(n) = smallest nonnegative integer not yet in the list a(.) such that a(n)=s(n) (mod m). [From _R. J. Mathar_, Apr 30 2009] %Y A159970 Cf. A102370, A159059. %K A159970 easy,nonn,less,base %O A159970 0,2 %A A159970 _Philippe Deléham_, Apr 28 2009 %E A159970 Corrected by _R. J. Mathar_, Apr 30 2009