44659157domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n)! is the smallest factorial divisible by the numerator of Sum_{k=0...n} 1/k!, with a(0) = 1.at n=22A102468Largest prime factor of numerator of Sum_{k=0...n} 1/k!, with a(0) = 1.at n=22A102469Prime numbersat n=2698841