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 A304753 #9 Dec 23 2024 14:53:45 %S A304753 1,2,4,9,6,15,3,21,10,12,5,33,8,39,7,18,20,51,14,57,22,24,11,69,16,35, %T A304753 13,30,26,87,25,93,34,27,17,28,32,111,19,36,44,123,38,129,46,40,23, %U A304753 141,50,63,52,42,54,159,56,65,49,45,29,177,55,183,31,60,68,70,62,201,74,48,58,213,64,219,37,78,80,88,76,237,82,84,41 %N A304753 Permutation of natural numbers: a(1) = 1; a(n) = A064413(1+A064664(n-1)). %H A304753 Antti Karttunen, <a href="/A304753/b304753.txt">Table of n, a(n) for n = 1..10000</a> %H A304753 David Newman, et al., <a href="https://web.archive.org/web/*/http://list.seqfan.eu/oldermail/seqfan/2018-January/018239.html">New sequences from old, Discussion on SeqFan-mailing list</a>, January 2018. %H A304753 <a href="/index/Ed#EKG">Index entries for sequences related to EKG sequence</a> %H A304753 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %F A304753 a(1) = 1; for n > 1, a(n) = A064413(1+A064664(n-1)). %Y A304753 Cf. A304754 (inverse). %Y A304753 Cf. A064413, A064664. %K A304753 nonn %O A304753 1,2 %A A304753 _Antti Karttunen_, May 29 2018