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A027943 a(n) = T(2*n+1, n+3), T given by A027935. 0

%I

%S 1,22,155,709,2587,8273,24416,68595,187030,500950,1327986,3499982,

%T 9195035,24115804,63192397,165512723,433410661,1134800215,2971089810,

%U 7778591025

%N a(n) = T(2*n+1, n+3), T given by A027935.

%F Empirical g.f.: x^2*(1+14*x+5*x^2-4*x^3) / ((1-x)^5*(1-3*x+x^2)). - _Colin Barker_, Feb 20 2016

%K nonn

%O 2,2

%A _Clark Kimberling_

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Last modified April 23 07:51 EDT 2019. Contains 322381 sequences. (Running on oeis4.)