472540domain: NAppears in sequencesColumn 0 of triangle A055905.at n=12A055906Number of n X n 0..1 arrays with each 1 adjacent to 2 or 4 king-move neighboring 1's.at n=5A296032Number of nX6 0..1 arrays with each 1 adjacent to 2 or 4 king-move neighboring 1s.at n=5A296037