246901

Appears in sequences

• Integers k such that sigma(k) + prime(k) is divisible by k.at n=9A111360
• G.f. A(x) satisfies: A(x) = P(x)/Q(x) where P(x) = Sum_{n>=0} (n+1)*x^n*A(x)^n/(1 - x*A(x)^(n+1)) and Q(x) = Sum_{n>=0} x^n*A(x)^n/(1 - x*A(x)^(n+1)).at n=10A341382