Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,2,1,4,0 for x=0,1,2,3,4.
A197166
Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,2,1,4,0 for x=0,1,2,3,4.
Terms
- a(0) =9a(1) =803a(2) =34021a(3) =1566649a(4) =76504483a(5) =3683084153a(6) =178698032203
External references
- oeis: A197166