Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,2,1,1,1 for x=0,1,2,3,4.
A197612
Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,2,1,1,1 for x=0,1,2,3,4.
Terms
- a(0) =9a(1) =1025a(2) =47610a(3) =2851047a(4) =153043371a(5) =8272253014a(6) =449467029436
External references
- oeis: A197612