438049domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form 8*k^2 + 1.at n=26A090685Larger member of twin prime pairs whose sum is a square.at n=22A118593a(n) = 1250*n^2 - 700*n + 99.at n=19A154359a(n) = 1 + 2*n^2 + 3*n^3 + 4*n^4.at n=18A209262Prime numbersat n=36796