%I A103213
%S A103213 1,5,29,206,1774,18204,218868,3036144,47928816,850514400,16783812000,
%T A103213 364865040000,8666747625600,223351748524800,6206847295622400,
%U A103213 185007996436838400,5887506932836300800,199216094254423142400
%N A103213 n! * Sum[k=1..n, C(n,k)/k ].
%F A103213 E.g.f.: ln((1-2*x)/(1-x))/(x-1). a(n) = n! * Sum[k=1..n, (2^k-1)/k ]. 
               - Vladeta Jovovic (vladeta(AT)eunet.rs), Jan 29 2005
%Y A103213 Sequence in context: A108453 A004213 A105277 this_sequence A057588 A030522 
               A091124
%Y A103213 Adjacent sequences: A103210 A103211 A103212 this_sequence A103214 A103215 
               A103216
%K A103213 nonn
%O A103213 1,2
%A A103213 Ralf Stephan, Jan 28 2005