2499669158domain: 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=3A232315Number of (4+1)X(n+1) 0..1 arrays with every element equal to some horizontal or antidiagonal neighbor, with top left element zero.at n=6A232320