OFFSET
5,1
LINKS
Index entries for linear recurrences with constant coefficients, signature (3,1,-7,1,3).
FORMULA
EXAMPLE
Here are two of the 193 possible tilings for a 5 X 5 square (using 1 X 1 squares and 3 X 2 rectangles):
._________ ._________
|_| |_| |_|_| |
|_|_ _ _|_| | |_ _ _|
| |_| | | |_| |
| |_| | |___|_| |
|___|_|___| |_|_|_|___|
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Greg Dresden and Osondu Ugochukwu, Sep 09 2021
STATUS
approved