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 A063101 #13 Jun 26 2018 04:59:02
%S A063101 1,1,2,4,18,36,96,144,336,1120,960,960,4320,5760,9504,29568,161280,
%T A063101 80640,884736,110592,155520,460800,729600,2188800,929280,1300992,
%U A063101 2040192,1298304,3528000,14112000,71884800,71884800,85708800,243793920
%N A063101 a(n) is the number of divisors of n!*(n! + 1)/2.
%H A063101 Harry J. Smith, <a href="/A063101/b063101.txt">Table of n, a(n) for n = 0..60</a>
%o A063101 (PARI) a(n)={numdiv(n!*(n! + 1)/2)}
%Y A063101 Cf. A055555.
%K A063101 nonn
%O A063101 0,3
%A A063101 _Jason Earls_, Aug 07 2001