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 A061441 #11 Aug 16 2017 04:10:33
%S A061441 3715891200,163499212800,15695924428800,2448564210892800,
%T A061441 548478383239987200,164543514971996160000,63184709749246525440000,
%U A061441 30075921840641346109440000,17323730980209415359037440000
%N A061441 Denominators in the series for Bessel function J10(x).
%H A061441 G. C. Greubel, <a href="/A061441/b061441.txt">Table of n, a(n) for n = 0..219</a> (terms 0..50 from T. D. Noe)
%H A061441 <a href="/index/Be#Bessel">Index entries for sequences related to Bessel functions or polynomials</a>
%t A061441 Denominator[Take[CoefficientList[Series[BesselJ[10, x], {x, 0, 50}], x], {11, -1, 2}]] (* _G. C. Greubel_, Aug 15 2017 *)
%Y A061441 J1: A002474, J2: A002506, J3: A014401 for formula etc.
%K A061441 nonn,easy
%O A061441 0,1
%A A061441 _Frank Ellermann_, Jun 11 2001