4299750domain: NAppears in sequencesNumbers n such that sum of the squares of the prime factors of n equals the sum of the squares of the digits of n.at n=31A067184Numbers that are both infinitary and noninfinitary harmonic numbers.at n=6A348922Expansion of e.g.f. exp(x^4/(24 * (1 - x)^3)).at n=10A373759