%I #12 Jul 09 2024 12:44:02

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

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

%H Yi-Lin Lee, <a href="https://arxiv.org/abs/2303.02750">Off-diagonally symmetric domino tilings of the Aztec diamond</a>, arXiv:2303.02750 [math.CO], 2023.

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

%Y Cf. A006125, A005163, A372145, A374154.

%K nonn,more

%O 0,2

%A _Ludovic Schwob_, Jun 29 2024