A364482 The number of stones-and-bones tilings of the (3n+1,3n+2)-benzel when one orientation of bone is forbidden.

6, 512, 591360, 9160359936, 1897011087409152, 5244422625774526267392, 193403358706333224417833779200, 95098462720808932931887549372170240000

Offset: 1

Author

James Propp, Jul 26 2023

Keywords

• nonn

Comments

See Problem 10 of the Propp article. It is conjectured that a(n) is 2-adically continuous as a function of n.

Links

• James Propp, Trimer covers in the triangular grid: twenty mostly open problems, arXiv:2206.06472 [math.CO], 2022.

Crossrefs

Cf. A352207, A364481, A364483, A364416, A364417, A364418, A364438.