%I #4 Mar 30 2012 18:36:39
%S 1,4,16,67,298,1414,7177,39016,227074,1412233,9359110,65877178,
%T 490870183,3859788706,31935828166,277326346945,2521757765632,
%U 23961974750980,237491787270343,2451092004316246,26302725994187392
%N Third column of triangle A091150, in which the n-th row lists the coefficients of the polynomial of degree n that generates the n-th diagonal.
%F a(n) = sum_{k=0..n} A091150(n, k)*3^k.
%e a(3)=67=(1)+(4)3+(3)3^2+(1)3^3 since 3rd row of A091150 is {1,4,3,1}.
%Y Cf. A091150, A091151, A091152.
%K nonn
%O 0,2
%A _Paul D. Hanna_, Dec 22 2003
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