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A364482
The number of stones-and-bones tilings of the (3n+1,3n+2)-benzel when one orientation of bone is forbidden.
6
6, 512, 591360, 9160359936, 1897011087409152, 5244422625774526267392, 193403358706333224417833779200, 95098462720808932931887549372170240000
OFFSET
1,1
COMMENTS
See Problem 10 of the Propp article. It is conjectured that a(n) is 2-adically continuous as a function of n.
KEYWORD
nonn
AUTHOR
James Propp, Jul 26 2023
STATUS
approved