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A351486
a(n) is the number of primitive triangulations of a 7 X n rectangle.
8
3432, 43936824, 839660660268, 18792896208387012, 464476385680935656240, 12169409954141988707186052, 332633840844113103751597995920, 9369363517501208819530429967280708, 269621109753732518252493257828413137272, 7880009979020501614060394747170100093057300, 233031642883906149386619647304562977586311372556
OFFSET
1,1
LINKS
S. Yu. Orevkov, Counting lattice triangulations: Fredholm equations in combinatorics, arXiv:2201.12827 [math.CO], 2022. See Table 4, p. 7.
CROSSREFS
Cf. A082640 (m X n rectangle).
Sequence in context: A245860 A177307 A140911 * A362172 A177308 A177309
KEYWORD
nonn
AUTHOR
Stefano Spezia, Feb 12 2022
STATUS
approved