883483domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumerators of convergents to continued fraction expansion of tribonacci constant (A058265, A019712).at n=8A319428a(2) = a(3) = 1; for n >3, a(n) = largest prime factor of n-th Tribonacci number.at n=31A366584Prime numbersat n=70083