9895981domain: NPropertiesPrimalityPrimeyesAppears in sequencesTriangle read by rows: numerators of c_{n,k}, n >= 0, 0 <= k <= n, used in the proof that Zeta(3) is irrational.at n=29A303988Expansion of Product_{k>=1} (1-x^k)^((-1)^k*k^2).at n=30A307460Prime numbersat n=658201