8627817

Appears in sequences

• Number of ways to reciprocally link elements of an nX4 array either to themselves or to exactly two king-move neighbors, without 3-loops.at n=4A220649
• Number of ways to reciprocally link elements of an nX5 array either to themselves or to exactly two king-move neighbors, without 3-loops.at n=3A220650
• T(n,k)=Number of ways to reciprocally link elements of an nXk array either to themselves or to exactly two king-move neighbors, without 3-loops.at n=31A220652
• T(n,k)=Number of ways to reciprocally link elements of an nXk array either to themselves or to exactly two king-move neighbors, without 3-loops.at n=32A220652