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 A096895 #3 Mar 30 2012 17:29:16 %S A096895 1,3,6,10,15,21,2,36,45,5,66,78,91,105,120,14,3,171,20,210,231,7,276, %T A096895 300,35,351,12,44,435,465,4,18,561,65,630,666,77,9,780,820,861,33,104, %U A096895 990,15,119,42,1176,5,1275,1326,22,1431,1485,170,1596,63,11,30,1830 %N A096895 a(n) = A088557(n)/4. %Y A096895 Cf. A088557, A088558, A096891-A096900. %K A096895 nonn %O A096895 1,2 %A A096895 _Ray Chandler_, Jul 14 2004