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A364483
The number of stones-and-bones tilings of the (3n-1,3n)-benzel when one orientation of bone is forbidden.
6
1, 16, 3360, 9371648, 347950546944, 172066422921363456, 1133503548832944876421120
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OFFSET
1,2
COMMENTS
See Problem 11 of the Propp article. It is conjectured that a(n) is 2-adically continuous as a function of n.
LINKS
Table of n, a(n) for n=1..7.
James Propp, Trimer covers in the triangular grid: twenty mostly open problems, arXiv:2206.06472 [math.CO], 2022.
CROSSREFS
Cf. A352207, A364481, A364482, A364416, A364417, A364418, A364438.
Sequence in context: A289703 A266824 A249599 * A281821 A003773 A217021
Adjacent sequences: A364480 A364481 A364482 * A364484 A364485 A364486
KEYWORD
nonn,more
AUTHOR
James Propp, Jul 26 2023
STATUS
approved

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Last modified November 7 09:19 EST 2024. Contains 377527 sequences.
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