A351485 a(n) is the number of primitive triangulations of a 6 X n rectangle.

924, 2801708, 12244184472, 61756221742966, 341816489625522032, 1999206934751133055518, 12169409954141988707186052, 76083336332947513655554918994, 484772512167266688498399632918196, 3131521959869770128138491287826065904, 20443767611927599823217291769468449488548

Offset

1,1

Links

Table of n, a(n) for n=1..11.

S. Yu. Orevkov, Counting lattice triangulations: Fredholm equations in combinatorics, arXiv:2201.12827 [math.CO], 2022. See Table 3, p. 7.

Crossrefs

Cf. A082640 (m X n rectangle).

Cf. A351480, A351481, A351482, A351483.

Cf. A351484, A351486, A351487, A351488.

Sequence in context: A107517 A140906 A179715 * A362171 A177305 A177306

Adjacent sequences: A351482 A351483 A351484 * A351486 A351487 A351488

Keyword

nonn

Author

Stefano Spezia, Feb 12 2022

Status

approved