53608

Appears in sequences

• Number of n X n binary arrays with every 1 having exactly two king-move neighbors equal to 1.at n=5A183443
• Number of nX6 binary arrays with every 1 having exactly two king-move neighbors equal to 1.at n=5A183447
• T(n,k)=Number of nXk binary arrays with every 1 having exactly two king-move neighbors equal to 1.at n=60A183450