A202068 - OEIS

%I #5 Mar 30 2012 16:52:08

%S 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,

%T 1,3,3,3,3,3,3,1,1,1,1,1,1,1,1,1

%N Denominator of mass of oriented maximal Wicks forms of genus n.

%H R. Bacher and A. Vdovina, <a href="http://arXiv.org/abs/math.CO/0110025">Counting 1-vertex triangulations of oriented surfaces</a>, Discrete Math. 246 (2002), 13-27.

%e 1/6, 35/6, 5005/3, 8083075/6, 6506875375/3, 5849680962125, 23808201515848750, 272830085270868750625/2, 3141638431894053663446875/3, 31136778498501965858421978125/3, ...

%p m1:=g->2*(1/12)^g*(6*g-5)!/(g!*(3*g-3)!);

%p s1:=[seq(m1(g),g=1..50)]:

%p s1a:=[seq(numer(m1(g)),g=1..50)]; #A202067

%p s1b:=[seq(denom(m1(g)),g=1..50)]; #A202068

%p s2:=[seq(6*m1(g),g=1..20)]: #A202066

%K nonn,frac

%O 1,1

%A _N. J. A. Sloane_, Dec 10 2011