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A126154 a(n) = Sum_{k=0..n} C(2n,k)*A126150(n,k). 1

%I #3 Mar 30 2012 18:37:02

%S 1,10,420,38760,6274320,1574566560,566087814720,276000683679360,

%T 175277074975269120,140576092830146972160,138951226585459200107520,

%U 165951785120565606919464960,235593066998837613695124049920

%N a(n) = Sum_{k=0..n} C(2n,k)*A126150(n,k).

%e a(1) = 1*(1) + 2*(4) + 1*(1) = 10;

%e a(2) = 1*(6) + 4*(24) + 6*(36) + 4*(24) + 1*(6) = 120;

%e a(3) = 1*(96) + 6*(384) + 15*(636) + 20*(744) + 15*(636) + 6*(384) + 1*(96) = 38760.

%Y Cf. A126150.

%K nonn

%O 0,2

%A _Paul D. Hanna_, Dec 20 2006

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Last modified April 25 07:07 EDT 2024. Contains 371964 sequences. (Running on oeis4.)