142897domain: NPropertiesPrimalityPrimeyesAppears in sequencesRow sums of A123539.at n=27A123540Larger of two consecutive prime numbers, p1 and p2 = p1 + d, such that p1*p2*d - d is the average of twin primes.at n=19A153379Number of 0..n arrays x(0..4) of 5 elements with zero 4th difference.at n=29A200156Prime numbersat n=13256