A374153 Number of domino tilings of the order n Aztec diamond which are diagonally symmetric.

1, 2, 6, 24, 132, 1048, 11960, 190912, 4262928, 135524512, 6141436768

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, A374154.

Formula

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