%I #16 Aug 19 2017 09:56:45
%S 1,1,1,1,3,4,4,2,1,11,17,18,13,8,3,1,46,76,85,72,51,28,13,4,1,207,355,
%T 415,384,300,196,110,50,19,5,1,977,1716,2076,2034,1705,1236,785,430,
%U 204,80,26,6,1,4769,8519,10584,10801,9541,7426,5145,3165,1729,826,343,119,34,7,1
%N Irregular triangle read by rows: T(n,m) = number of lattice paths of type {B^Q}_R terminating at point (n, m).
%H Veronika Irvine, <a href="http://hdl.handle.net/1828/7495">Lace Tessellations: A mathematical model for bobbin lace and an exhaustive combinatorial search for patterns</a>, PhD Dissertation, University of Victoria, 2016.
%e Triangle begins:
%e 1,
%e 1,1,1,
%e 3,4,4,2,1,
%e 11,17,18,13,8,3,1,
%e 46,76,85,72,51,28,13,4,1,
%e 207,355,415,384,300,196,110,50,19,5,1,
%e 977,1716,2076,2034,1705,1236,785,430,204,80,26,6,1,
%e 4769,8519,10584,10801,9541,7426,5145,3165,1729,826,343,119,34,7,1,
%e ...
%Y First column is A291090.
%K nonn,tabf
%O 0,5
%A _N. J. A. Sloane_, Aug 19 2017