Number of nX7 0..n+7-2 arrays with upper left zero and lower right n+7-2 and each element differing from its horizontal and vertical neighbors by one or two.
A265446
Number of nX7 0..n+7-2 arrays with upper left zero and lower right n+7-2 and each element differing from its horizontal and vertical neighbors by one or two.
Terms
- a(0) =79a(1) =9702a(2) =2345091a(3) =901139380a(4) =268477963202
External references
- oeis: A265446