Number of nX5 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.
A197610
Number of nX5 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) =4a(1) =124a(2) =1840a(3) =33484a(4) =545364a(5) =9128940a(6) =153043371a(7) =2556879780a(8) =42705555374a(9) =714332556250
External references
- oeis: A197610