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 A062862 #5 Mar 30 2012 18:51:34 %S A062862 1,4,1,0,2,4,2,0,0,2,1,0,0,2,4,2,2,0,0,2,0,0,0,0,0,4,0,0,1,2,4,2,0,0, %T A062862 0,2,2,0,0,0,0,2,0,0,2,0,0,0,0,2,2,0,0,0,2,4,2,0,0,0,3,2,0,0,2,0,0,0, %U A062862 0,2,0,0,0,0,0,0,0,2,0,0,0,2,0,0,0,4,2,0,0,0,2,4,2,0,0,0,2,0,0,0,2,0,0,0,0 %N A062862 Number of ways n can be written as the sum of squares of consecutive numbers (possibly including squares of negative numbers). %H A062862 <a href="/index/Su#ssq">Index entries for sequences related to sums of squares</a> %e A062862 a(25)=4 since 25 = 5^2 = 3^2+4^2 = (-4)^2+(-3)^2 = (-5)^2. %Y A062862 If a(n) is zero then n is in A062863, otherwise in A062861. If a(n) is odd then n is in A006331. %K A062862 nonn %O A062862 0,2 %A A062862 _Henry Bottomley_, Jun 25 2001