3495632937

Appears in sequences

• Number of (n+1)X(n+1) 0..1 arrays with every element equal to some horizontal, vertical or antidiagonal neighbor, with top left element zero.at n=4A232030
• Number of (n+1)X(5+1) 0..1 arrays with every element equal to some horizontal, vertical or antidiagonal neighbor, with top left element zero.at n=4A232035