Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,0,1,1,1 for x=0,1,2,3,4.
A197408
Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,0,1,1,1 for x=0,1,2,3,4.
Terms
- a(0) =25a(1) =2107a(2) =34717a(3) =1634731a(4) =60334353a(5) =2065093081a(6) =77683473682
External references
- oeis: A197408