711867domain: NAppears in sequencesDenominators of continued fraction convergents to sqrt(810).at n=11A042563Number of nX5 0..1 arrays with each 1 adjacent to 2, 4 or 5 king-move neighboring 1s.at n=6A296971Number of nX7 0..1 arrays with each 1 adjacent to 2, 4 or 5 king-move neighboring 1s.at n=4A296973