525773domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form x^2+2^x+y^2+2^y, with x and y nonnegative.at n=23A162576Primes of the form 3^k - 2^k + k + k^2 - k^3.at n=3A196070Prime numbersat n=43504