421185

Appears in sequences

• Number of 2nX6 0..2 arrays with values 0..2 introduced in row major order and each element unequal to exactly two horizontal and vertical neighbors.at n=3A198449
• Number of 2nX8 0..2 arrays with values 0..2 introduced in row major order and each element unequal to exactly two horizontal and vertical neighbors.at n=2A198450
• T(n,k)=Number of 2nX2k 0..2 arrays with values 0..2 introduced in row major order and each element unequal to exactly two horizontal and vertical neighbors.at n=17A198452
• T(n,k)=Number of 2nX2k 0..2 arrays with values 0..2 introduced in row major order and each element unequal to exactly two horizontal and vertical neighbors.at n=18A198452