195077domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form k^2 + (k+1)^2 + (k+2)^2 = 3*(k+1)^2+2.at n=29A027864G.f. of the z^1 coefficients of the FP1 in the second column of the A156921 matrix.at n=13A156928Primes of the form 3n^2 + 2.at n=30A257163Prime numbersat n=17581