225504domain: NAppears in sequencesREVEGF transform of [1,2,12,152,3640,...] (A053549).at n=5A053551Numbers n such that sopf(n) divides sopf(n+1) and sopf(n+1) divides sopf(n+2).at n=1A173172Numbers that have exactly two exponents in their prime factorization that are equal to 5.at n=10A386809