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 A282713 #9 Feb 28 2017 15:28:40 %S A282713 23,27,31,36,39,44,50,57,65,73,82,47,53,61,68,77,87,93,104,116,131, %T A282713 146,83,94,54,59,66,71,80,91,101,112,126,135,145,160,172,190,204,223, %U A282713 244,268,293,324,352,373,406,442,482,264,279,305,336,362,201,222,241,263,289,317,346,192,210,225,236,255 %N A282713 Orbit of 23 under repeated applications of the inverse of the map m -> A127202(m). %C A282713 It is known that A127202 is a permutation of the positive integers. The orbit containing 23 appears to be the first infinite orbit. See A282713 for the orbit of 23 under the permutation itself, and see A127202 for other orbits (there are several small cycles). %H A282713 N. J. A. Sloane, <a href="/A282713/b282713.txt">Table of n, a(n) for n = 1..474</a> %Y A282713 Cf. A127202, A282712. %K A282713 nonn %O A282713 1,1 %A A282713 _N. J. A. Sloane_, Feb 28 2017