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 A036706 #8 Mar 30 2012 18:56:27 %S A036706 0,2,3,4,8,7,10,10,12,17,14,18,17,22,22,21,28,28,28,29,28,36,35,36,36, %T A036706 42,41,40,46,43,50,48,47,52,56,56,57,56,62,59,66,62,66,69,66,72,69,76, %U A036706 76,78,79,80,86,79,84,88,85,94,84,98,95 %N A036706 a(n)=number of Gaussian integers z=a+bi satisfying n - 1/2 < |z| <= n + 1/2, a>0, b>=0. %H A036706 <a href="/index/Ga#gaussians">Index entries for Gaussian integers and primes</a> %Y A036706 a(n)=(1/4)*s(n) for n >= 1, where s=A036705. %K A036706 nonn %O A036706 0,2 %A A036706 _Clark Kimberling_