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 A304741 #10 Mar 22 2022 00:12:32 %S A304741 1,2,4,3,7,5,11,6,10,8,14,9,23,12,17,13,24,16,28,18,20,15,31,19,35,22, %T A304741 34,21,39,26,43,30,46,25,36,33,54,29,47,41,58,37,61,45,27,32,65,38,53, %U A304741 42,50,48,87,49,74,52,69,40,92,56,97,44,72,60,75,63,101,51,95,67,108,71,116,55,57,70,73,76,119 %N A304741 Inverse permutation to A280866. %H A304741 Antti Karttunen, <a href="/A304741/b304741.txt">Table of n, a(n) for n = 1..20000</a> %H A304741 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %o A304741 (PARI) \\ Use the program given in A280866. %Y A304741 Cf. A280866 (inverse). %Y A304741 Differs from similar A280741 for the first time at n=31, where a(31) = 43, while A280741(31) = 49. %K A304741 nonn %O A304741 1,2 %A A304741 _Antti Karttunen_, May 18 2018