Number of nX3 0..n*3-1 arrays with upper left zero and lower right n*3-1 and each element differing from its horizontal and vertical neighbors by a power of three.
A265214
Number of nX3 0..n*3-1 arrays with upper left zero and lower right n*3-1 and each element differing from its horizontal and vertical neighbors by a power of three.
Terms
- a(0) =1a(1) =16a(2) =114a(3) =17740a(4) =959210a(5) =30623109a(6) =1704484254a(7) =71709918479
External references
- oeis: A265214