Number of n X n 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 1,3,0,4,2 for x=0,1,2,3,4.
A196323
Number of n X n 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 1,3,0,4,2 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =7a(2) =27a(3) =295a(4) =5538a(5) =187787a(6) =11937347a(7) =1373281599a(8) =286527796314
External references
- oeis: A196323