OFFSET
0,3
COMMENTS
The shapes of the tiles are:
._.
._. | |
._. | | | |
._. | |_. | |_._. | |_._._.
|_| |___| |_____| |_______| ... .
LINKS
Alois P. Heinz, Table of n, a(n) for n = 0..300
Wikipedia, Polyomino
CROSSREFS
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Dec 12 2018
STATUS
approved