136647

Appears in sequences

• Number of distinct differences between consecutive divisors of n! (ordered by size).at n=24A060737
• a(n) is the smallest number m such that sigma(m)=22^n, or 0 if m does not exist.at n=4A180460
• Coefficients in the expansion of 1/([r]-[2*r]*x+[3*r]*x^2-...); [ ]=floor, r=-1+sqrt(7).at n=20A288234