14298089

Appears in sequences

• Number of ways to reciprocally link elements of an n X 5 array either to themselves or to exactly one horizontal or antidiagonal neighbor.at n=5A220559
• T(n,k)=Number of ways to reciprocally link elements of an nXk array either to themselves or to exactly one horizontal or antidiagonal neighbor.at n=50A220562
• Number of ways to reciprocally link elements of an 6Xn array either to themselves or to exactly one horizontal or antidiagonal neighbor.at n=4A220567