%I A074602
%S A074602 2,9,53,351,2417,16839,117713,823671,5765057,40354119,282476273,
%T A074602 1977328791,13841291297,96889018599,678223089233,4747561542711,
%U A074602 33232930635137,232630514118279,1628413598172593,11398895185897431
%N A074602 2^n + 7^n.
%F A074602 a(n) = 7a(n-1)-2^n = 9a(n-1)- 14a(n-2).
%F A074602 G.f.: 1/(1-2*x)+1/(1-7*x). E.g.f.: e^(2*x)+e^(7*x). [From Mohammad K. 
               Azarian (azarian(AT)evansville.edu), Jan 02 2009]
%t A074602 Table[2^n + 7^n, {n, 0, 25}]
%Y A074602 Cf. A000051, A034472, A052539, A034474, A062394, A034491, A062395, A062396, 
               A007689, A063376, A063481, A074600 - A074624.
%Y A074602 Sequence in context: A121678 A124347 A080146 this_sequence A073986 A089436 
               A000168
%Y A074602 Adjacent sequences: A074599 A074600 A074601 this_sequence A074603 A074604 
               A074605
%K A074602 easy,nonn
%O A074602 0,1
%A A074602 Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 25 2002