281959315373domain: NAppears in sequencesNumber of (n+1) X (7+1) 0..1 arrays with every element equal to some horizontal or antidiagonal neighbor, with top left element zero.at n=4A232315Number of (5+1) X (n+1) 0..1 arrays with every element equal to some horizontal or antidiagonal neighbor, with top left element zero.at n=6A232321