A374154 Number of domino tilings of the order n Aztec diamond which are diagonally and antidiagonally symmetric.

1, 2, 4, 10, 28, 96, 384, 1848, 10432, 70560, 564224, 5386080

Offset: 0

Author

Ludovic Schwob, Jun 29 2024

Keywords

• nonn
• more

Links

• Yi-Lin Lee, Off-diagonally symmetric domino tilings of the Aztec diamond, arXiv:2303.02750 [math.CO], 2023.

Crossrefs

Cf. A006125, A005163, A372145, A374153.

Formula

Finding a closed-form formula for a(n) is an open problem.