183451domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumerators of continued fraction convergents to sqrt(871).at n=9A042682Number of nX3 0..1 arrays with every element equal to 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=12A300460Prime numbersat n=16618