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 A024713 #5 May 31 2013 00:32:14 %S A024713 1,2,0,2,2,0,2,0,0,2,0,2,2,2,0,0,2,0,2,0,2,0,2,0,2,2,0,2,2,0,2,0,0,0, %T A024713 2,2,2,2,0,0,0,2,2,0,0,2,2,0,2,0,0,0,2,2,0,0,2,0,2,2,2,0,2,2,0,2,2,0, %U A024713 2,0,2,2,0,2,0,2,0,0,0,0,0,2,0,2,0,2,0,2,2,0,2,0,0,2,0,0,2,0,2,2,2,0,0,2,2,2,0,0,2,2,2 %N A024713 a(n) = residue mod 5 of n-th term of A024702. %H A024713 Charles R Greathouse IV, <a href="/A024713/b024713.txt">Table of n, a(n) for n = 3..10000</a> %o A024713 (PARI) a(n)=prime(n)^2\24%5 \\ _Charles R Greathouse IV_, May 31 2013 %K A024713 nonn %O A024713 3,2 %A A024713 _Clark Kimberling_