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 A275838 #8 Aug 13 2016 11:09:43 %S A275838 0,1,2,9,3,5,6,57,32,33,19,20,8,17,14,23,41,13,4,15,11,29,7,21,24,133, %T A275838 272,47,293,70,150,263,152,357,109,110,74,68,78,163,69,73,135,545,249, %U A275838 58,230,220,30,37,62,225,100,161,54,127,86,285,209,85,182,172,50,51,197,42,104,231,105,431,52,35,12,43,56,99,213,95,38,25,134,153,81,341,26,76 %N A275838 Permutation of nonnegative integers: a(n) = A273668(A225901(n)). %H A275838 Antti Karttunen, <a href="/A275838/b275838.txt">Table of n, a(n) for n = 0..5040</a> %H A275838 <a href="/index/Fa#facbase">Index entries for sequences related to factorial base representation</a> %H A275838 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %F A275838 a(n) = A273668(A225901(n)). %F A275838 Other identities. For all n >= 0: %F A275838 a(n) = A266193(a(A153880(n))). [Restriction to A153880 induces the same permutation.] %F A275838 A275842(n) = A273663(a(A273670(n))). [While restriction to A273670 induces another permutation.] %o A275838 (Scheme) (define (A275838 n) (A273668 (A225901 n))) %Y A275838 Inverse: A275837. %Y A275838 Cf. A225901, A273668, A153880, A266193, A273670, A275842. %Y A275838 Cf. A275839 (fixed points). %Y A275838 Cf. also A275835, A275836. %K A275838 nonn,base %O A275838 0,3 %A A275838 _Antti Karttunen_, Aug 13 2016