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A129042
Number of n-node triangulations of the triple torus S_3 in which every node has degree >= 7.
0
0, 18, 15592, 619388
OFFSET
9,2
LINKS
M. Jungerman and G. Ringel, Minimal triangulations on orientable surfaces, Acta Math. 145 (1980), 121-154.
Thom Sulanke, Generating triangulations of surfaces (surftri), (also subpages).
CROSSREFS
Sequence in context: A222202 A201986 A153301 * A262359 A202155 A296653
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, May 12 2007
STATUS
approved