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A027943 a(n) = T(2*n+1, n+3), T given by A027935. 0
1, 22, 155, 709, 2587, 8273, 24416, 68595, 187030, 500950, 1327986, 3499982, 9195035, 24115804, 63192397, 165512723, 433410661, 1134800215, 2971089810, 7778591025 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,2

LINKS

Table of n, a(n) for n=2..21.

FORMULA

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

CROSSREFS

Sequence in context: A271635 A130438 A041934 * A224257 A244868 A223913

Adjacent sequences:  A027940 A027941 A027942 * A027944 A027945 A027946

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified March 20 23:22 EDT 2019. Contains 321354 sequences. (Running on oeis4.)