%I #2 Nov 10 2007 03:00:00
%S 1,1,1,2,5,13,42,150,553,2202,9233,39726,176932,810798,3786137,
%T 18022100,87265298,428202617,2127088358,10684752474,54181245592,
%U 277101480826,1428262595206,7412626391101,38712130945272,203330779196084
%N First row of Modified Schroeder numbers for q=5 (A114293).
%C a(i) is the number of paths from (0,0) to (i,i) using steps of length (0,1), (1,0) and (1,1), not passing above the line y=x nor below the line y=2x/3.
%D C. Hanusa (2005). A Gessel-Viennot-Type Method for Cycle Systems with Applications to Aztec Pillows. PhD Thesis. University of Washington, Seattle, USA.
%e The number of paths from (0,0) to (4,4) staying between the lines y=x and y=2x/3 using steps of length (0,1), (1,0) and (1,1) is a(4)=5.
%Y See also A112833-A112844 and A114292-A114299.
%K nonn
%O 0,4
%A Christopher Hanusa (chanusa(AT)math.binghamton.edu), Nov 21 2005
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