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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
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.
KEYWORD
nonn,more
AUTHOR
James Propp, Jul 26 2023
STATUS
approved