964969domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form 1 + 2*k + 3*k^2 + 4*k^3.at n=9A123059Expansion of Product_{k>=1} ((1 + k*x^k) / (1 + x^k)).at n=40A268500Prime numbersat n=75991