234728

Appears in sequences

• Number of n X 2 0..2 arrays with every nonzero element less than or equal to some NW, E or S neighbor.at n=7A202982
• T(n,k)=Number of nXk 0..2 arrays with every nonzero element less than or equal to some NW, E or S neighbor.at n=37A202988
• Nondeficient numbers k such that phi(k) = phi(sigma(k)) and A003958(k) = A003958(sigma(k)).at n=0A353634