590112

Appears in sequences

• Expansion of x^2*(1-x)*(x^2+x+1)*(x^6+x^3+1)/((2*x-1)*(2*x^9-x^6+x^3-1)).at n=21A111662
• Numbers n such that there exists an x!=n that makes {n,n,x} an amicable multiset.at n=23A259302
• Abundant numbers n such that sigma(sigma(n) - 2*n) = sigma(n).at n=26A292365
• Integers k such that there exists an integer 0<m<k such that sigma(k) = sigma(m) = m + 2*k.at n=13A383239