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 A349917 #12 Dec 11 2021 11:08:56 %S A349917 1,2,3,6,8,4,7,11,9,14,30,5,19,29,12,22,23,33,44,15,27,28,50,17,18,45, %T A349917 46,53,20,21,35,47,48,24,25,37,51,63,64,91,10,26,41,42,43,57,58,71,85, %U A349917 59,60,61,78,79,31,65,66,82,83,100,34,69,13,36,55,56,74 %N A349917 a(n) is the unique k such that A349838(n) = A051281(k). %C A349917 This sequence is a permutation of the natural numbers. %H A349917 Rémy Sigrist, <a href="/A349917/b349917.txt">Table of n, a(n) for n = 1..3309</a> %H A349917 Rémy Sigrist, <a href="/A349917/a349917.gp.txt">PARI program for A349917</a> %H A349917 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %e A349917 For n = 8: %e A349917 - A349838(8) = 27559 = A051281(11), %e A349917 - so a(8) = 11. %o A349917 (PARI) See Links section. %Y A349917 Cf. A051281, A349838. %K A349917 nonn,look %O A349917 1,2 %A A349917 _Rémy Sigrist_, Dec 05 2021