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A374154
Number of domino tilings of the order n Aztec diamond which are diagonally and antidiagonally symmetric.
1
1, 2, 4, 10, 28, 96, 384, 1848, 10432, 70560, 564224, 5386080
OFFSET
0,2
FORMULA
Finding a closed-form formula for a(n) is an open problem.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Ludovic Schwob, Jun 29 2024
STATUS
approved