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 A205666 #9 Jul 13 2013 12:04:21 %S A205666 1,2,3,4,5,6,7,10,11,12,13,16,17,18,19,38,42,43,55,63,64,68,75,76,86, %T A205666 106,107,108,109,112,113,120,131,156,157,175,185,194,233,270,301,369, %U A205666 380,438,443,470,531,663,760,803,810,847,871,934,999,1021,1044 %N A205666 Fixed points of permutations A065306 and A065307. %C A205666 A065306(a(n)) = a(n); A065307(a(n)) = a(n). %H A205666 Reinhard Zumkeller, <a href="/A205666/b205666.txt">Table of n, a(n) for n = 1..500</a> %o A205666 (Haskell) %o A205666 a205666 n = a205666_list !! (n-1) %o A205666 a205666_list = [x | x <- [1..], a065306 x == fromIntegral x] %o A205666 -- _Reinhard Zumkeller_, Jan 30 2012 %K A205666 nonn %O A205666 1,2 %A A205666 _Reinhard Zumkeller_, Jan 30 2012