186100

Appears in sequences

• The common value of sigma_2 for square-amicable numbers, sigma_2(m)=sigma_2(n), m<n.at n=31A110929
• a(n) = 14 + floor((1 + Sum_{j=1..n-1} a(j))/3).at n=33A120158
• Expansion of e.g.f. 1/( exp(-x) - x )^2.at n=6A379933