Number of nX6 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.
A197611
Number of nX6 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) =6a(1) =352a(2) =9361a(3) =305072a(4) =9128940a(5) =273369257a(6) =8272253014a(7) =248406422932
External references
- oeis: A197611