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A202068
Denominator of mass of oriented maximal Wicks forms of genus n.
3
6, 6, 3, 6, 3, 1, 1, 2, 3, 3, 3, 3, 3, 3, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 6, 1, 1, 1, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1
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
m1:=g->2*(1/12)^g*(6*g-5)!/(g!*(3*g-3)!);
s1:=[seq(m1(g), g=1..50)]:
s1a:=[seq(numer(m1(g)), g=1..50)]; #A202067
s1b:=[seq(denom(m1(g)), g=1..50)]; #A202068
s2:=[seq(6*m1(g), g=1..20)]: #A202066
CROSSREFS
Sequence in context: A197510 A360958 A110632 * A301974 A088454 A095228
KEYWORD
nonn,frac
AUTHOR
N. J. A. Sloane, Dec 10 2011
STATUS
approved