Number of linear trimer coverings of a 3n X 3n square.
A139772
Number of linear trimer coverings of a 3n X 3n square.
Terms
- a(0) =2a(1) =64a(2) =37160a(3) =378875648
External references
- oeis: A139772
A139772
Number of linear trimer coverings of a 3n X 3n square.