OFFSET
0,2
LINKS
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
KEYWORD
nonn,more
AUTHOR
Ludovic Schwob, Jun 29 2024
STATUS
approved