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 A371266 #14 Apr 01 2024 12:09:25 %S A371266 0,1,2,3,4,5,7,8,9,6,10,11,12,13,14,16,17,20,28,21,22,23,29,30,24,25, %T A371266 18,15,19,26,27,31,32,34,35,36,33,37,38,39,40,41,43,44,47,55,48,49,50, %U A371266 56,59,67,68,83,91,84,69,70,60,61,71,72,73,62,74,85,86,92 %N A371266 Inverse permutation to A371265. %H A371266 Rémy Sigrist, <a href="/A371266/b371266.txt">Table of n, a(n) for n = 0..9841</a> %H A371266 Rémy Sigrist, <a href="/A371266/a371266.gp.txt">PARI program</a> %H A371266 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %e A371266 A371265(42) = 81, so a(81) = 42. %o A371266 (PARI) \\ See Links section. %Y A371266 Cf. A371265. %K A371266 nonn,base %O A371266 0,3 %A A371266 _Rémy Sigrist_, Mar 16 2024