726221domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p such that q - p = 66, where q is the next prime after p.at n=25A225811Number of n X 2 0..1 arrays with every element equal to 2 or 3 king-move adjacent elements, with upper left element zero.at n=23A297809Prime numbersat n=58506