33414domain: NAppears in sequencesBecomes prime or 4 after exactly 9 iterations of f(x) = sum of prime factors of x.at n=32A048131Expansion of q * (chi(-q) / chi(-q^4))^8 in powers of q where chi() is a Ramanujan theta function.at n=12A134747Intersection of A361073 and 2 * A361611.at n=29A361215