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 A276012 #7 Aug 17 2016 22:20:18 %S A276012 0,2,3,1,12,13,16,17,14,15,8,10,11,9,4,6,7,5,72,73,76,77,74,75,90,91, %T A276012 94,95,92,93,84,85,88,89,86,87,78,79,82,83,80,81,54,56,57,55,66,67,70, %U A276012 71,68,69,62,64,65,63,58,60,61,59,36,38,39,37,48,49,52,53,50,51,44,46,47,45,40,42,43,41,18,20,21,19,30,31,34,35,32,33,26,28,29,27,22,24,25,23 %N A276012 Permutation of nonnegative integers: a(n) = A273663(A225901(A256450(n))). %H A276012 Antti Karttunen, <a href="/A276012/b276012.txt">Table of n, a(n) for n = 0..10000</a> %H A276012 <a href="/index/Fa#facbase">Index entries for sequences related to factorial base representation</a> %H A276012 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %F A276012 a(n) = A273663(A225901(A256450(n))). %o A276012 (Scheme) (define (A276012 n) (A273663 (A225901 (A256450 n)))) %Y A276012 Inverse: A276011. %Y A276012 Cf. A225901, A256450, A273663. %Y A276012 Cf. also A275952 & A275954 and permutations A275841 & A275842. %K A276012 nonn,base %O A276012 0,2 %A A276012 _Antti Karttunen_, Aug 16 2016