%I A062569
%S A062569 1,1,3,12,60,360,2418,19344,159120,1481040,15334088,184009056,
%T A062569 2217441408,31044179712,442487616480,6686252969760,107004539285280,
%U A062569 1926081707135040,34683832925921088,693676658518421760
%N A062569 sigma(n!).
%p A062569 with(numtheory):seq(sigma(n!), n=0..19); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), 
               Feb 15 2008
%t A062569 Array[DivisorSigma[1,#! ]&,33,1] [From Vladimir Orlovsky (4vladimir(AT)gmail.com), 
               Nov 01 2009]
%o A062569 (PARI) for(n=0,21,print(sigma(n!)))
%o A062569 (Other) sage: [sigma(factorial(n),1)for n in xrange(0,20)] # [From Zerinvary 
               Lajos (zerinvarylajos(AT)yahoo.com), Jun 13 2009]
%Y A062569 Sequence in context: A105227 A000258 A070863 this_sequence A089057 A077134 
               A001710
%Y A062569 Adjacent sequences: A062566 A062567 A062568 this_sequence A062570 A062571 
               A062572
%K A062569 easy,nonn
%O A062569 0,3
%A A062569 Jason Earls (zevi_35711(AT)yahoo.com), Jul 03 2001