418993domain: NPropertiesPrimalityPrimeyesAppears in sequencesExpansion of 1/((1-3*x)*(1-8*x)).at n=6A016140Primes with 20 as smallest positive primitive root.at n=5A061332Primes of the form (8^n-3^n)/5.at n=2A138930a(n) = (A022010(n) - 179)/210.at n=19A357889Prime numbersat n=35314