280843domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(1) = 2; a(n+1) is obtained by writing a(n) in binary and trying to complement just one bit, starting with the least significant bit, until a new prime is reached.at n=40A059459Primes of the form 5n^2 - 2.at n=22A201784Prime numbersat n=24502