150967domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumbers k such that A003313(k) = A003313(7*k).at n=5A116462Number of nX5 0..1 arrays with every element equal to 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero.at n=12A298657Prime numbersat n=13930