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%I #14 Sep 09 2017 12:15:35
%S 1,0,-3,0,-3,0,-3,9,0,-3,9,0,-3,18,0,-3,18,-27,0,-3,27,-27,0,-3,27,
%T -54,0,-3,36,-81,0,-3,36,-108,81,0,-3,45,-135,81,0,-3,45,-189,162,0,
%U -3,54,-216,243,0,-3,54,-270,405,0,-3,63,-324,486,-243,0,-3,63,-378
%N Triangle read by rows: T(n,k) = (-3) * T(n-k,k-1) + T(n-k,k) with T(0,0) = 1 for 0 <= k <= A003056(n).
%H Seiichi Manyama, <a href="/A292130/b292130.txt">Rows n = 0..481, flattened</a>
%e First few rows are:
%e 1;
%e 0, -3;
%e 0, -3;
%e 0, -3, 9;
%e 0, -3, 9;
%e 0, -3, 18;
%e 0, -3, 18, -27;
%e 0, -3, 27, -27;
%e 0, -3, 27, -54;
%e 0, -3, 36, -81;
%e 0, -3, 36, -108, 81.
%Y Row sums give A292128.
%Y Columns 0-1 give A000007, (-1)*A010701.
%Y Cf. A291971.
%K sign,tabf
%O 0,3
%A _Seiichi Manyama_, Sep 09 2017
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