Search: id:A084171
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%I A084171
%S A084171 1,3,11,37,119,373,1151,3517,10679,32293,97391,293197,881639,2649013,
%T A084171 7955231,23882077,71678999,215102533,645438671,1936578157,5810258759,
%U A084171 17431824853,52297571711,156896909437,470699116919,1412114127973
%N A084171 Binomial transform of generalized Jacobsthal numbers A084170.
%F A084171 a(n)=5*3^n/3+0^n/3-2^n; G.f.:(1-2x+2x^2)/((1-2x)(1-3x)); E.g.f.: 5exp(3x)/
               3-exp(2x)+exp(0)/3.
%F A084171 a(n) = A090888(n-1, 5), for n > 0. - Ross La Haye (rlahaye(AT)new.rr.com), 
               Sep 21 2004
%Y A084171 Sequence in context: A040017 A007615 A065540 this_sequence A118044 A027062 
               A134757
%Y A084171 Adjacent sequences: A084168 A084169 A084170 this_sequence A084172 A084173 
               A084174
%K A084171 easy,nonn
%O A084171 0,2
%A A084171 Paul Barry (pbarry(AT)wit.ie), May 18 2003

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