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 A275957 #5 Aug 17 2016 22:18:50 %S A275957 0,1,4,3,2,5,18,19,16,9,8,17,12,7,22,21,14,11,6,13,10,15,20,23,96,97, %T A275957 100,99,98,101,90,91,64,33,32,65,60,31,94,93,62,35,30,61,34,63,92,95, %U A275957 72,73,52,27,26,53,114,115,112,105,104,113,84,79,70,45,38,59,78,85,58,39,44,71,48,25,76,75,50,29,66,43,88,81,56,41,108,103,118,117,110,107,54,37 %N A275957 Permutation of nonnegative integers: a(n) = A225901(A060125(n)). %H A275957 Antti Karttunen, <a href="/A275957/b275957.txt">Table of n, a(n) for n = 0..5039</a> %H A275957 <a href="/index/Fa#facbase">Index entries for sequences related to factorial base representation</a> %H A275957 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %F A275957 a(n) = A225901(A060125(n)). %o A275957 (Scheme) (define (A275957 n) (A225901 (A060125 n))) %Y A275957 Inverse: A275958. %Y A275957 Fixed points: A275843. %Y A275957 Cf. A060125, A225901. %K A275957 nonn,base %O A275957 0,3 %A A275957 _Antti Karttunen_, Aug 16 2016