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 A167367 #16 Jun 12 2016 02:48:25
%S A167367 1,1,3,4,15,24,124,192,1020,1920,12264,23040,159666,322560,2555280,
%T A167367 5041344,40893840,90744192,761260368,1814883840,15732804296,
%U A167367 38900010240,377587663200,933600245760,9087075973248,23520702965760,254438142416640
%N A167367 a(n) = sigma(n!!) where n!! is A006882(n).
%H A167367 G. C. Greubel, <a href="/A167367/b167367.txt">Table of n, a(n) for n = 0..500</a>
%F A167367 a(n) = A000203(A006882(n)). - _R. J. Mathar_, Feb 07 2011
%t A167367 Join[{1},Array[DivisorSigma[1,#!! ]&,50,1]]
%o A167367 (PARI) a(n)=sigma(prod(i=0, (n-1)\2, n - 2*i )) \\ _Charles R Greathouse IV_, May 01 2016
%Y A167367 Cf. A062569.
%K A167367 nonn
%O A167367 0,3
%A A167367 _Vladimir Joseph Stephan Orlovsky_, Nov 01 2009