107367629domain: NPropertiesPrimalityPrimeyesAppears in sequencesGeneralized Gaussian-Mersenne primes (see below).at n=23A207040Largest prime factor of 2^(2*n+1)-2^(n+1)+1.at n=13A229767Least prime factor of (4^(2n+1)+1)/5, a(0) = 1.at n=14A299959Prime numbersat n=6160798