3725843

Appears in sequences

• Number of ways to reciprocally link elements of an n X 3 array either to themselves or to exactly one king-move neighbor.at n=7A220639
• Number of ways to reciprocally link elements of an n X 7 array either to themselves or to exactly one king-move neighbor.at n=3A220643
• T(n,k) = number of ways to reciprocally link elements of an n X k array either to themselves or to exactly one king-move neighbor.at n=38A220644
• T(n,k) = number of ways to reciprocally link elements of an n X k array either to themselves or to exactly one king-move neighbor.at n=42A220644