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 A329901 #13 Mar 20 2022 21:43:21 %S A329901 1,2,4,3,9,6,22,5,11,13,54,8,114,29,20,7,246,15,488,17,43,66,948,12, %T A329901 38,140,23,36,1809,27,3327,10,93,290,72,19,6020,570,186,24,10624,55, %U A329901 18246,83,41,1090,30726,16,128,49,376,168,51148,30,147,47,718,2057,84074,34,135598,3743,77,14,279,112,216398,343,1348,89,340886,26,529051,6715,69,660 %N A329901 Inverse permutation to A181815. %H A329901 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %F A329901 a(n) = A329906(A243071(n)). %F A329901 For all n >= 1, A025487(a(n)) = A108951(n). %Y A329901 Cf. A181815 (inverse permutation). %Y A329901 Cf. A025487, A108951, A243071, A329906. %K A329901 nonn %O A329901 1,2 %A A329901 _Antti Karttunen_, Dec 23 2019