%I #7 May 29 2023 11:24:05
%S 1,2,0,4,1,0,7,4,1,0,12,11,5,1,0,20,26,17,6,1,0,33,56,48,24,7,1,0,54,
%T 114,121,78,32,8,1,0,88,223,283,223,117,41,9,1,0,143,424,627,584,372,
%U 166,51,10,1,0,232,789,1334,1434,1073,579,226,62,11,1,0,376,1444,2750,3352,2879,1818,856,298,74,12,1,0
%N Triangle read by rows, A000012 * A055830
%C Row sums = Pell numbers, A000129: (1, 2, 5, 12, 29,...).
%C Left border = A000071.
%F Triangle read by rows, A000012 * triangle A055830 = partial sums of A055830 columns.
%e First few rows of the triangle =
%e 1;
%e 2, 0;
%e 4, 1, 0;
%e 7, 4, 1, 0;
%e 12, 11, 5, 1, 0;
%e 20, 26, 17, 6, 1, 0;
%e 33, 56, 48, 24, 7, 1, 0;
%e 54, 114, 121, 78, 32, 8, 1, 0;
%e 88, 223, 283, 223, 117, 41, 9, 1, 0;
%e 143, 424, 627, 584, 372, 166, 51, 10, 1, 0;
%e 232, 789, 1334, 1434, 1073, 579, 226, 62, 11, 1, 0;
%e ...
%Y Cf. A000129, A055830.
%K nonn,tabl
%O 1,2
%A _Gary W. Adamson_, Dec 24 2008
%E a(21) = 0 inserted and more terms from _Georg Fischer_, May 29 2023