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 A099130 #11 Feb 13 2022 06:38:57 %S A099130 1,2,7,3,15,4,8,9,5,16,17,6,10,31,11,22,18,34,19,23,12,30,53,13,24,20, %T A099130 35,36,21,25,14,52,49,61,55,26,33,37,42,38,32,27,54,62,50,51,63,69,28, %U A099130 57,39,43,44,40,58,29,68,64,84,81,85,65,75,71,59,41,45,98,46,56,60,70 %N A099130 Inverse integer permutation to A077220. %H A099130 Rémy Sigrist, <a href="/A099130/b099130.txt">Table of n, a(n) for n = 1..10000</a> %H A099130 Rémy Sigrist, <a href="/A099130/a099130.gp.txt">PARI program</a> %H A099130 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %o A099130 (PARI) See Links section. %Y A099130 Cf. A064928, A077220. %K A099130 nonn %O A099130 1,2 %A A099130 _Reinhard Zumkeller_, Sep 28 2004