344044

Appears in sequences

• Number of nX4 0..7 arrays with values 0..7 introduced in row major order and each element equal to at least one horizontal or vertical neighbor.at n=3A198658
• T(n,k)=Number of nXk 0..7 arrays with values 0..7 introduced in row major order and each element equal to at least one horizontal or vertical neighbor.at n=24A198661
• a(n) = 42*2^n - 20.at n=13A305064