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A129043
Number of n-node triangulations of the projective plane N_1 in which every node has degree >= 3.
0
0, 1, 3, 16, 134, 1210, 11719, 114478, 1108826, 10606795, 100352404, 940956644, 8762227629, 81168427279, 748953936818
OFFSET
5,3
LINKS
Thom Sulanke, Generating triangulations of surfaces (surftri), (also subpages).
Thom Sulanke, Generating maps on surfaces, arXiv:1509.06412 [math.CO], (21-September-2015)
CROSSREFS
Sequence in context: A213357 A119392 A307979 * A182951 A247770 A357088
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, May 12 2007
STATUS
approved