A129036 - OEIS

%I #3 Mar 30 2012 16:50:41

%S 0,750,53270,1470379,23973881,281502783,2652648134

%N Number of n-node triangulations of the double torus S_2 in which every node has degree >= 5.

%D M. Jungerman and G. Ringel, Minimal triangulations on orientable surfaces, Acta Math. 145 (1980), 121-154.

%H Thom Sulanke, <a href="http://hep.physics.indiana.edu/~tsulanke/graphs/surftri/">Generating triangulations of surfaces (surftri)</a>, (also subpages).

%K nonn

%O 9,2

%A _N. J. A. Sloane_, May 12 2007