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A374153
Number of domino tilings of the order n Aztec diamond which are diagonally symmetric.
1
1, 2, 6, 24, 132, 1048, 11960, 190912, 4262928, 135524512, 6141436768
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OFFSET
0,2
LINKS
Table of n, a(n) for n=0..10.
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, A374154.
Sequence in context: A368761 A052862 A277211 * A370017 A343482 A216779
Adjacent sequences: A374150 A374151 A374152 * A374154 A374155 A374156
KEYWORD
nonn,more
AUTHOR
Ludovic Schwob, Jun 29 2024
STATUS
approved

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Last modified October 6 01:32 EDT 2024. Contains 376568 sequences.
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