%I
%S 0,1,0,1,1,0,1,2,1,0,3,3,3,1,0,15,12,6,4,1,0,105,75,30,10,5,1,0,
%T 945,630,225,60,15,6,1,0,10395,6615,2205,525,105,21,7,1,0,
%U 135135,83160,26460,5880,1050,168,28,8,1,0,2027025,1216215,374220,79380
%N Production array of A122848, read by row.
%D E. Deutsch, L. Ferrari and S. Rinaldi, Production Matrices, Advances in Applied Mathematics, 34 (2005) pp. 101122
%H E. Deutsch, L. Ferrari and S. Rinaldi, <a href="http://arxiv.org/abs/math/0702638">Production Matrices and Riordan arrays</a>, arXiv:math/0702638v1, 2007
%e Array starts
%e 0, 1,
%e 0, 1, 1,
%e 0, 1, 2, 1,
%e 0, 3, 3, 3, 1,
%e 0, 15, 12, 6, 4, 1,
%e 0, 105, 75, 30, 10, 5, 1,
%e 0, 945, 630, 225, 60, 15, 6, 1,
%e 0, 10395, 6615, 2205, 525, 105, 21, 7, 1,
%e 0, 135135, 83160, 26460, 5880, 1050, 168, 28, 8, 1
%e 0, 2027025, 1216215, 374220, 79380, 13230, 1890, 252, 36, 9, 1
%e Square of this array is
%e 0, 1, 1,
%e 0, 0, 3, 1,
%e 0, 0, 0, 5, 1,
%e 0, 0, 0, 0, 7, 1,
%e 0, 0, 0, 0, 0, 9, 1,
%e 0, 0, 0, 0, 0, 0, 11, 1,
%e 0, 0, 0, 0, 0, 0, 0, 13, 1,
%e 0, 0, 0, 0, 0, 0, 0, 0, 15, 1,
%e 0, 0, 0, 0, 0, 0, 0, 0, 0, 17, 1
%Y Cf. A113278, A132382, A001147.
%K sign,tabf
%O 0,8
%A _Paul Barry_, Jan 11 2009
