3857868

Appears in sequences

• a(n) = n^2*(n-1)^3/4.at n=28A019584
• Numbers n such that sum of digits of n is equal to the sum of the prime factors of n, counted with multiplicity.at n=17A063737
• Numbers that decrease two times in succession when they are iteratively replaced by the "Look and Say" description (cf. A045918) of their prime factors, counted with multiplicity.at n=17A379455