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 A370632 #9 May 04 2024 09:25:52 %S A370632 1,10,3,2,8,7,9,5,6,11,4,12,14,13,15,16,17,18,19,20,22,23,21,24,25,26, %T A370632 27,28,29,30,31,32,33,35,34,36,37,38,39,40,41,42,43,44,45,46,47,48,49, %U A370632 50,51,52,53,54,56,57,55,58,59,60,61,62,63,64,65,66,67 %N A370632 Inverse permutation to A370631. %H A370632 Rémy Sigrist, <a href="/A370632/a370632.gp.txt">PARI program</a> %H A370632 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %e A370632 A370631(4) = 11, so a(11) = 4. %o A370632 (PARI) \\ See Links section. %Y A370632 Cf. A370631. %K A370632 nonn,base %O A370632 1,2 %A A370632 _Rémy Sigrist_, May 01 2024