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 A365233 #11 Aug 31 2023 15:51:15 %S A365233 0,1,3,2,6,4,5,7,10,11,8,12,9,13,14,15,21,16,17,22,18,24,23,27,19,25, %T A365233 28,29,31,32,30,20,36,37,38,44,39,45,47,46,40,49,53,55,48,54,57,26,34, %U A365233 42,51,56,58,61,63,64,59,66,35,43,69,67,52,33,78,79,68,80 %N A365233 Inverse permutation to A365232. %H A365233 Rémy Sigrist, <a href="/A365233/b365233.txt">Table of n, a(n) for n = 0..10000</a> %H A365233 Rémy Sigrist, <a href="/A365233/a365233.gp.txt">PARI program</a> %H A365233 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %e A365233 A365232(42) = 49, hence a(49) = 42. %o A365233 (PARI) See Links section. %Y A365233 Cf. A365232. %K A365233 nonn,look,base %O A365233 0,3 %A A365233 _Rémy Sigrist_, Aug 27 2023