93229domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumerators of continued fraction convergents to sqrt(921).at n=8A042780Values k(i) such that k(i) + k(i+3) = k(i+1) + k(i+2), where k(i) is A022885(i).at n=22A235725Total number of inversions in all compositions of n into distinct parts.at n=27A271372Prime numbersat n=9003