._____. ._____. ._____. ._____. ._____. ._____.
| | | |_| |_| | |_|_|_| |_|_|_| |_|_|_|
| | |___|_| |_|___| |_| | | |_| |_|_|_|
|_____| |_|_|_| |_|_|_| |_|___| |___|_| |_|_|_|
._____. ._____. ._____. ._____. ._____. ._____.
| | | |_| |_| | |_|_|_| |_|_|_| |_|_|_|
| | |___|_| |_|___| |_| | | |_| |_|_|_|
|_____| |_|_|_| |_|_|_| |_|___| |___|_| |_|_|_|
1, 1, 1, 1, 1, 1, 1, 1, ...
1, 1, 1, 1, 1, 1, 1, 1, ...
1, 1, 2, 3, 5, 8, 13, 21, ...
1, 1, 3, 6, 13, 28, 60, 129, ...
1, 1, 5, 13, 40, 117, 348, 1029, ...
1, 1, 8, 28, 117, 472, 1916, 7765, ...
1, 1, 13, 60, 348, 1916, 10668, 59257, ...
1, 1, 21, 129, 1029, 7765, 59257, 450924, ...