Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,3,1,1,1 for x=0,1,2,3,4.
A197398
Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,3,1,1,1 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =33a(2) =257a(3) =2571a(4) =19603a(5) =159463a(6) =1353761a(7) =11871747a(8) =99322949a(9) =832736311a(10) =7100237801a(11) =60485596877a(12) =511509684117
External references
- oeis: A197398