417979domain: NAppears in sequencesNumbers n such that in the 3 X 3 square arrangement of the 9 primes prime(n),...,prime(n+8), the 3 row sums, 3 column sums and 2 diagonal sums are all prime.at n=0A116936Expansion of Product_{k>=1} (1 + x^k)^A001001(k).at n=13A301777