%I A081367
%S A081367 1,3,11,53,345,2947,31411,400437,5927921,99816515,1882741659,
%T A081367 39310397557,899919305929,22410922177347,603120939234755,
%U A081367 17441737474345973,539390080299331809,17762381612118471043
%N A081367 E.g.f.: exp(2x)/sqrt(1-2x).
%F A081367 a(n) = Sum_{k = 0..n} A046716(n, k)*2^k . - DELEHAM Philippe (kolotoko(AT)wanadoo.fr), 
               Jun 12 2004
%o A081367 (PARI) a(n)=n!*polcoeff(exp(2*x)/sqrt(1-2*x)+O(x^(n+1)),n)
%Y A081367 Sequence in context: A005502 A000255 A121580 this_sequence A156171 A129093 
               A057325
%Y A081367 Adjacent sequences: A081364 A081365 A081366 this_sequence A081368 A081369 
               A081370
%K A081367 nonn
%O A081367 0,2
%A A081367 Benoit Cloitre (benoit7848c(AT)orange.fr), May 10 2003