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 A064357 #17 Jun 24 2022 06:38:53 %S A064357 1,2,4,3,7,5,6,11,10,8,9,15,16,21,14,12,28,13,20,36,22,45,27,19,55,17, %T A064357 66,35,18,78,26,44,91,29,105,54,34,120,25,65,136,23,153,77,43,171,24, %U A064357 190,90,33,210,53,104,231,37,253,119,64,276,42,135,300,32,325 %N A064357 Inverse of sequence A035506 considered as a permutation of the natural numbers. %H A064357 Alois P. Heinz, <a href="/A064357/b064357.txt">Table of n, a(n) for n = 1..1000</a> %H A064357 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %Y A064357 Cf. A035506. %K A064357 nonn %O A064357 1,2 %A A064357 _Howard A. Landman_, Sep 25 2001 %E A064357 More terms from _Alois P. Heinz_, Jun 24 2022