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%I #9 Apr 06 2019 09:57:56
%S 1,0,2,2,0,4,0,10,0,8,10,0,34,0,16,0,70,0,98,0,32,70,0,308,0,258,0,64,
%T 0,588,0,1092,0,642,0,128,588,0,3024,0,3414,0,1538,0,256,0,5544,0,
%U 12276,0,9834,0,3586,0,512,5544,0,31680,0,43230,0,26752,0,8194,0
%N Triangle of numbers arising in enumeration of walks on square lattice.
%H R. K. Guy, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL3/GUY/catwalks.html">Catwalks, sandsteps and Pascal pyramids</a>, J. Integer Sequences, Vol. 3 (2000), Article #00.1.6.
%e 1; 0,2; 2,0,4; 0,10,0,8; 10,0,34,0,16; 0,70,0,98,0,32; ...
%Y Essentially same as A052175.
%K nonn,tabl,easy,nice
%O 0,3
%A _N. J. A. Sloane_, Jan 26 2000
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