OFFSET
1,1
LINKS
R. Bacher and A. Vdovina, Counting 1-vertex triangulations of oriented surfaces, Discrete Math. 246 (2002), 13-27.
EXAMPLE
1/6, 35/6, 5005/3, 8083075/6, 6506875375/3, 5849680962125, 23808201515848750, 272830085270868750625/2, 3141638431894053663446875/3, 31136778498501965858421978125/3, ...
MAPLE
CROSSREFS
KEYWORD
nonn,frac
AUTHOR
N. J. A. Sloane, Dec 10 2011
STATUS
approved