318220

Appears in sequences

• 1/3 the number of n X n 0..2 symmetric matrices with every element equal to two or three horizontal and vertical neighbors.at n=8A211041
• Number of nX5 0..1 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.at n=6A280158
• Number of nX7 0..1 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.at n=4A280160