9706901domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of nX5 0..1 arrays with no 1 equal to more than one of its horizontal and vertical neighbors.at n=5A282993Number of nX6 0..1 arrays with no 1 equal to more than one of its horizontal and vertical neighbors.at n=4A282994Prime numbersat n=646481