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 A204994 #8 Feb 27 2013 09:44:10 %S A204994 1,2,1,2,3,5,6,2,10,14,15,5,21,27,4,9,36,31,45,14,8,65,66,7,41,90,13, %T A204994 27,105,23,120,12,19,152,11,31,171,189,26,18,210,40,231,65,17,275,276, %U A204994 16,85,96,43,90,351,61,24,33,53,434,435,23 %N A204994 Least k such that n divides A120070(k+1), the k-th difference between distinct squares. %C A204994 For a guide to related sequences, see A204892. %t A204994 (See the program at A204994.) %Y A204994 Cf. A204994, A204892. %K A204994 nonn %O A204994 1,2 %A A204994 _Clark Kimberling_, Jan 21 2012