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%I #11 Dec 10 2019 18:10:54
%S 1,3,9,26,76,223,658,1948,5782,17193,51194,152594,455209,1358841,
%T 4058439,12126696,36248370,108385917,324172566,969801726,2901883611,
%U 8684735577,25995833145,77824036620,233012973051,697745695923
%N a(n) = Sum_{0<=j<=i, 0<=i<=n} A027907(i, j).
%F G.f.: (1+x+1/G(0))/(2*(1-2*x-3*x^2))/(1-x), where G(k)= 1 + x*(2+3*x)*(4*k+1)/(4*k+2 - x*(2+3*x)*(4*k+2)*(4*k+3)/(x*(2+3*x)*(4*k+3) + 4*(k+1)/G(k+1) )); (continued fraction). - _Sergei N. Gladkovskii_, Jul 30 2013
%Y Partial sums of A027914.
%K nonn
%O 0,2
%A _Clark Kimberling_
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