346560domain: NAppears in sequencesNumbers k with k - 1, k + 1, prime(k) - k, prime(k) + k, k*prime(k) - 1, k*prime(k) + 1 all prime.at n=4A232861Expansion of Product_{k>=1} 1/(1 - x^k)^(3*k*(k-1)/2+1).at n=14A295179