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Search: a374153 -id:a374153
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A374154
Number of domino tilings of the order n Aztec diamond which are diagonally and antidiagonally symmetric.
+10
1
1, 2, 4, 10, 28, 96, 384, 1848, 10432, 70560, 564224, 5386080
(list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
Table of n, a(n) for n=0..11.
Yi-Lin Lee, Off-diagonally symmetric domino tilings of the Aztec diamond, arXiv:2303.02750 [math.CO], 2023.
FORMULA
Finding a closed-form formula for a(n) is an open problem.
CROSSREFS
Cf. A006125, A005163, A372145, A374153.
KEYWORD
nonn,more
AUTHOR
Ludovic Schwob, Jun 29 2024
STATUS
approved
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Last modified November 8 17:58 EST 2024. Contains 377554 sequences.
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