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 A084111 #9 Oct 12 2018 20:21:46 %S A084111 1,2,3,5,7,11,13,16,17,19,23,29,31,37,41,43,47,48,53,59,61,67,71,73, %T A084111 79,80,81,83,89,97,101,103,107,109,112,113,127,131,137,139,149,151, %U A084111 157,163,167,173,179,181,191,193,197,199,211,223,227,229,233,239,241,251,257 %N A084111 Numbers m such that A084110(m) = m. %C A084111 Primes are a subsequence; see A084112 for nonprimes. %C A084111 A084110(a(n)) = a(n). - _Reinhard Zumkeller_, Jul 31 2014 %H A084111 Reinhard Zumkeller, <a href="/A084111/b084111.txt">Table of n, a(n) for n = 1..10000</a> %o A084111 (Haskell) %o A084111 a084111 n = a084111_list !! (n-1) %o A084111 a084111_list = [x | x <- [1..], a084110 x == x] %o A084111 -- _Reinhard Zumkeller_, Jul 31 2014 %Y A084111 Cf. A084110, union of A000040 and A084112. %K A084111 nonn %O A084111 1,2 %A A084111 _Reinhard Zumkeller_, May 12 2003