384773domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) = if Floor[(2*Pi/E)*m^2] is prime then Floor[(2*Pi/E)*m^2].at n=33A090434Largest prime factor of 4^(2*n+1)+1.at n=15A229747Largest prime factor of 2^(2*n+1)-2^(n+1)+1.at n=14A229767Largest prime factor of 4^n + 1.at n=31A274903Prime numbersat n=32667