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 A226653 #14 Feb 28 2014 09:12:27 %S A226653 3,5,7,11,17,19,23,29,31,43,47,53,59,67,71,79,83,87,89,97,101,107,109, %T A226653 125,127,131,137,139,149,151,167,173,179,181,191,197,199,207,223,227, %U A226653 229,233,239,251,263,269,271,279,281,287,293,307,311 %N A226653 Numbers n for which A226182(n^2) = n. %C A226653 The sequence of primes which are not in this sequence begins: 2, 13, 37, 41, 61, 73, 103, 113, 157, 163, 193, 211, 241, ... %C A226653 The sequence of composite numbers in this sequence begins: 87, 125, 207, 279, 287, 395, 489, 524, 543, 559, ... (Cf. comment in A188836) %Y A226653 Cf. A225867, A225868, A226182. %K A226653 nonn %O A226653 1,1 %A A226653 _Vladimir Shevelev_, Jun 14 2013 %E A226653 More terms from _Peter J. C. Moses_, Jul 01 2013.