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A026908 T(2n,n), T given by A026907. 0

%I #10 May 10 2020 15:07:57

%S 1,44,198,758,2824,10530,39516,149274,567120,2164898,8297206,31907214,

%T 123053938,475753142,1843357752,7155936162,27826486272,108369397602,

%U 422614721742,1650118887102,6450143419962,25238550057222

%N T(2n,n), T given by A026907.

%F a(n) = 4^n*GAMMA(n+1/2)*(38+99*n+49*n^2)*Pi^(-1/2)/GAMMA(n+3)-18 (based on guessed recurrence) - _Mark van Hoeij_, Oct 30 2011

%Y Cf. A026907.

%K nonn

%O 0,2

%A _Clark Kimberling_

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Last modified April 24 10:11 EDT 2024. Contains 371935 sequences. (Running on oeis4.)