Number of n X 2 0..7 arrays with some element plus some horizontally or vertically adjacent neighbor totalling seven exactly once.
A270112
Number of n X 2 0..7 arrays with some element plus some horizontally or vertically adjacent neighbor totalling seven exactly once.
Terms
- a(0) =8a(1) =1344a(2) =100800a(3) =6183744a(4) =345422784a(5) =18272616768a(6) =932758314432
External references
- oeis: A270112