11315839

Appears in sequences

• Number of n X n 0..6 arrays with every element equal to a diagonal or antidiagonal reflection, and new values 0 upwards introduced in row major order.at n=3A209681
• T(n,k) = Number of n X n 0..k arrays with every element equal to a diagonal or antidiagonal reflection, and new values 0 upwards introduced in row major order.at n=31A209684