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 A281353 #5 Jan 31 2017 20:28:59 %S A281353 1,2,12,18,30,56 %N A281353 Fixed points in A280985. %C A281353 Numbers n such that A280985(n)=n. %C A281353 In the first 75000 terms there are no other fixed points. %C A281353 A127202 is very similar to A280985, and in the first 10000 terms it has just these six fixed points. %C A281353 It may be that there are no further fixed points in either sequence. %Y A281353 Cf. A280985, A127202. %K A281353 nonn %O A281353 1,2 %A A281353 _N. J. A. Sloane_, Jan 21 2017