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 A353604 #8 May 07 2022 15:28:14 %S A353604 1,2,5,6,3,14,9,4,7,20,17,12,23,32,39,8,13,24,29,18,21,36,47,10,15,26, %T A353604 55,42,51,78,53,16,19,22,11,30,25,34,59,28,37,74,57,44,99,96,87,62,49, %U A353604 68,81,92,71,94,85,64,111,106,123,120,109,150,167,38,31,50 %N A353604 Inverse permutation to A352633. %H A353604 Rémy Sigrist, <a href="/A353604/a353604.gp.txt">PARI program</a> %H A353604 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %e A353604 A352633(42) = 28 so a(28) = 42. %o A353604 (PARI) See Links section. %Y A353604 Cf. A352633. %K A353604 nonn,base %O A353604 1,2 %A A353604 _Rémy Sigrist_, May 07 2022