140351domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes with 28 as smallest positive primitive root.at n=1A061732Balanced primes p of the form (r+q+s-1)/2, where r, q, s are consecutive primes.at n=29A129191Numerators of the Harary index of the n X n grid graph.at n=6A296191Prime numbersat n=13038