Search: id:A136504
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%I A136504
%S A136504 1,0,1,3,19,223,5024,221357,19276981,3337101203,1151813749025,
%T A136504 793860037771900,1093434531716214447,3010922236710802264555,
%U A136504 16578683647583849207539977,182552322688781602767983229935
%V A136504 1,0,1,-3,19,-223,5024,-221357,19276981,-3337101203,1151813749025,-793860037771900,
%W A136504 1093434531716214447,-3010922236710802264555,16578683647583849207539977,
%X A136504 -182552322688781602767983229935
%N A136504 Row sums of triangle A136502.
%F A136504 G.f.: 1/(1-x) = Sum_{n>=0} a(n)*x^n*(1+x)^(2^n).
%o A136504 (PARI) {a(n)=local(M=matrix(n+1,n+1,r,c,binomial(2^(c-1),r-c))); sum(k=0,
               n,(M^-1)[n+1,k+1])}
%Y A136504 Cf. A136502.
%Y A136504 Sequence in context: A001035 A166380 A136652 this_sequence A003111 A126444 
               A001929
%Y A136504 Adjacent sequences: A136501 A136502 A136503 this_sequence A136505 A136506 
               A136507
%K A136504 sign
%O A136504 0,4
%A A136504 Paul D. Hanna (pauldhanna(AT)juno.com), Jan 01 2008

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