A354119 Number of tilings of an n X n square using right trominoes, dominoes, and 2 X 2 tiles.
1, 0, 3, 8, 702, 41952, 16600824, 13298557992, 43157780553934, 388059824658319728, 12013678896331086695556, 1135287009899570278101009440, 350469343280046907242548361992474, 340321401792584726949313213285940152032, 1061786528674829112355995668763159293494203380
Offset: 0
Keywords
Examples
a(2) = 3: .___. .___. .___. | | |___| | | | |___| |___| |_|_| . a(3) = 8: ._____. ._____. ._____. ._____. |___| | |_. | | |___| | |___| | | ._|_| | |_|_| | |___| | | |_| |_|___| |_|___| |_|___| |_|___| ._____. ._____. ._____. ._____. | |___| | |___| | |___| | | ._| |___| | |_| | | |_|_. | |_|_| | |___|_| |___|_| |___|_| |___|_| .
Links
- Alois P. Heinz, Table of n, a(n) for n = 0..16
- Wikipedia, Polyomino
Formula
a(n) = A354010(n,n).