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 A262255 #28 Sep 21 2015 13:27:12 %S A262255 1,5,10,16,20,24,28,32,36,2,3,4,9,15,21,23,29,31,37,6,8,7,11,17,19,25, %T A262255 27,33,35,12,14,18,13,41,46,39,48,50,52,42,22,26,40,43,44,56,64,54,66, %U A262255 45,30,34,47,55,59,58,60,62,80,57,38,70,49,65,61,69,68 %N A262255 Inverse permutation to A262323. %H A262255 Paul Tek, <a href="/A262255/b262255.txt">Table of n, a(n) for n = 1..10000</a> %o A262255 (Haskell) %o A262255 import Data.List (elemIndex); import Data.Maybe (fromJust) %o A262255 a262255 = (+ 1) . fromJust . (`elemIndex` a262323_list) %o A262255 -- _Reinhard Zumkeller_, Sep 21 2015 %Y A262255 Cf. A262323. %Y A262255 Cf. A262367 (fixed points). %K A262255 nonn,look,base %O A262255 1,2 %A A262255 _Paul Tek_, Sep 19 2015