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 A091278 #3 Mar 30 2012 17:29:14 %S A091278 4,4,16,4,36,16,16,4,16,144,36,196,16,4,36,256,324,16,400,16,484,196, %T A091278 16,4,256,36,900,196,1024,16,1156,400,16,36,256,1296,1444,484,144, %U A091278 1600,36,196,1764,144,16,16,4,256,196,2704,400,2916,196,1024,3136,3364,16,484 %N A091278 Squares arising in A089632. %Y A091278 A091279 gives square roots. %K A091278 nonn %O A091278 1,1 %A A091278 _Ray Chandler_, Jan 05 2004