622009domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes containing the digits (2,0,0,9) in that order.at n=27A197114Number of n X 5 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 king-move adjacent elements, with upper left element zero.at n=9A298317Prime numbersat n=50760