49804

Appears in sequences

• First differences of harmonic (or Ore) numbers A001599.at n=17A153789
• Partial sums of A243980.at n=34A244050
• a(1) = 1; for n > 1, a(n) = n*a(n-1) if n is a prime, otherwise a(n) = floor(a(n-1)/A020639(n)), where A020639(n) is the smallest prime divisor of n.at n=45A330252