Number of nX5 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.
A197406
Number of nX5 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) =9a(1) =227a(2) =1626a(3) =25621a(4) =356211a(5) =4499426a(6) =60334353a(7) =801294395a(8) =10631272297a(9) =141478252511
External references
- oeis: A197406