151537domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes with 20 as smallest positive primitive root.at n=1A061332a(n) = a(n-1) + a(n-2) + a(n-3) with a(0) = 1, a(1) = a(2) = 2.at n=20A214727Primes in the tribonacci-like sequence, A214727.at n=5A234703Prime numbersat n=13981