421493domain: NPropertiesPrimalityPrimeyesAppears in sequencesFibonacci sequence beginning 1, 5.at n=25A022095Values of x in the solutions to x^2 - 3xy + y^2 + 19 = 0, where 0 < x < y.at n=25A237133Array read by antidiagonals: row n consists of the primes in row n of the array A333028.at n=31A333086Prime numbersat n=35505