Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,2,1,1,1 for x=0,1,2,3,4.
A197780
Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,2,1,1,1 for x=0,1,2,3,4.
Terms
- a(0) =6a(1) =352a(2) =8085a(3) =221082a(4) =5833286a(5) =153517349a(6) =4052348046a(7) =106662154198
External references
- oeis: A197780