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 A115295 #9 Jun 13 2015 00:52:03
%S A115295 1,17,66,130,194,258,322,386,450,514,578,642,706,770,834,898,962,1026,
%T A115295 1090,1154,1218,1282,1346,1410,1474,1538,1602,1666,1730,1794,1858,
%U A115295 1922,1986,2050,2114,2178,2242,2306,2370,2434,2498,2562,2626,2690,2754,2818
%N A115295 Partial sums of squares of A115291(n).
%C A115295 Central coefficients of number triangle A115292.
%H A115295 <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (2,-1).
%F A115295 a(n)=sum{k=0..n, (sum{j=0..k, C(3, j)})^2}; a(n)=A115292(2n, n).
%t A115295 Join[{1, 17}, Range[66, 7000, 64]] (* _Vladimir Joseph Stephan Orlovsky_, Jul 12 2011 *)
%K A115295 easy,nonn
%O A115295 0,2
%A A115295 _Paul Barry_, Jan 19 2006