399924

Appears in sequences

• Integers n such that prime(n-1) + prime(n+1) is a multiple of n.at n=16A260989
• G.f. A(x) = Sum_{n>=0} a(n)*x^n satisfies: [Sum_{n>=0} x^n/(1 - x^(n+1))]^4 = Sum_{n>=0} a(n)*x^n/(1 - x^(n+1))^4.at n=33A341375