Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,4,1,0,1 for x=0,1,2,3,4.
A197372
Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,4,1,0,1 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =99a(2) =1873a(3) =19387a(4) =355929a(5) =5198997a(6) =79831388a(7) =1224953019a(8) =18720559109a(9) =286695564063
External references
- oeis: A197372