289593761domain: NPropertiesPrimalityPrimeyesAppears in sequencesTribonacci-like sequence; a(0)=2, a(1)=1, a(2)=1, a(n) = a(n-1) + a(n-2) + a(n-3).at n=33A141036Prime terms in A141036.at n=4A246518Prime numbersat n=15718692