Number of nX7 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.
A197781
Number of nX7 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) =9a(1) =1025a(2) =39748a(3) =1924263a(4) =88309448a(5) =4052348046a(6) =186804530634
External references
- oeis: A197781