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 A098664 #11 Nov 21 2013 12:48:23
%S A098664 1,1,8,12,96,160,1280,2240,17920,32256,258048,473088,3784704,7028736,
%T A098664 56229888,105431040,843448320,1593180160,12745441280,24216338432,
%U A098664 193730707456,369849532416,2958796259328,5671026163712,45368209309696
%N A098664 E.g.f. BesselI(0,4x)+BesselI(1,4x)/2.
%C A098664 Fifth binomial transform is A098665.
%H A098664 Harvey P. Dale, <a href="/A098664/b098664.txt">Table of n, a(n) for n = 0..1000</a>
%F A098664 G.f.: (1+8x-sqrt(1-16x^2))/(8xsqrt(1-16x^2));
%F A098664 a(n)=binomial(n, floor(n/2))4^floor(n/2).
%F A098664 Conjecture: (n+1)*a(n)+8(n-1)*a(n-1) -16*n*a(n-2) +128*(2-n)*a(n-3)=0. - R. J. Mathar, Dec 08 2011
%t A098664 With[{nn=30},CoefficientList[Series[BesselI[0,4x]+BesselI[1,4x]/2,{x,0,nn}], x]Range[0,nn]!] (* _Harvey P. Dale_, May 14 2012 *)
%K A098664 easy,nonn
%O A098664 0,3
%A A098664 _Paul Barry_, Sep 20 2004