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%I #1 Jun 01 2010 03:00:00
%S 4,12,34,96,262,706,1866,4876,12590,32220,81780,206182,516682,1288100,
%T 3196414,7899664,19452002,47741832,116827972,285121530,694145540,
%U 1686165640,4087501476,9889956114,23887544730,57602999360,138696210062,333483756402,800784138674,1920539773188,4600776445384,11009534409116,26318680827474,62855267076802,149976974496002,357547693790338,851705230512838,2027255882196068
%N Number of three-choice polygons by area.
%D A. J. Guttmann and I. Jensen, Fuchsian differential equations for the perimeter generating function of three-choice polygons, Sem. Lothar. Combin., 54 (2006), B54c (14pp).
%H A. J. Guttmann and I. Jensen, <a href="http://www.emis.de/journals/SLC/wpapers/s54gutjen.html">Fuchsian differential equations for the perimeter generating function of three-choice polygons</a>, Sem. Lothar. Combin., 54 (2006), B54c (14pp).
%K nonn
%O 1,1
%A Iwan Jensen (I.Jensen(AT)ms.unimelb.edu.au), Feb 17 2010, corrected Feb 21 2010