Search: id:A048470
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%I A048470
%S A048470 1,3,9,26,70,177,427,996,2268,5075,11209,24510,53170,114597,245655,
%T A048470 524168,1113976,2359143,4980565,10485570,22019886,46137113,96468739,
%U A048470 201326316,419430100,872414907,1811938977,3758096006,7784627818
%N A048470 a(n)=(n+1)(2^(n+1)-n)/2.
%C A048470 a(n)=T(0,n)+T(1,n-1)+...+T(n,0), array T given by A047858.
%F A048470 G.f.:(-1+5*x^3-7*x^2+4*x)/((2*x-1)^2*(x-1)^3) [From Maksym Voznyy (voznyy(AT)mail.ru), 
               Aug 13 2009]
%Y A048470 Sequence in context: A035313 A055293 A034531 this_sequence A138237 A121286 
               A072863
%Y A048470 Adjacent sequences: A048467 A048468 A048469 this_sequence A048471 A048472 
               A048473
%K A048470 nonn
%O A048470 0,2
%A A048470 Clark Kimberling (ck6(AT)evansville.edu)
%E A048470 Edited by T. D. Noe (noe(AT)sspectra.com), Dec 11 2006

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