1659809

Properties

Appears in sequences

• G.f.: A(x) = 1/(1 - x*B(x^3)), where B(x) = Sum_{n>=0} a(n)^3*x^n is the g.f. of A121652.at n=36A121653
• A trisection of A121653; a(n) = A121653(3*n) = A121652(3*n)^(1/3).at n=12A121654
• Smallest member of Sophie Germain pair, where each member of the prime pair is the smallest of its prime triple (p, p+2, p+8).at n=12A237188
• Prime numbersat n=125324