49579091domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of words of length n composed of the letters a, b, and c with at least as many a's as b's, and at least as many b's as c's, and no a's adjacent.at n=22A174247Primes of the form k!6+16, where k!6 is the sextuple factorial number (A085158).at n=10A288613Prime numbersat n=2977352