48903

Appears in sequences

• Sum of the products of the first n prime pairs.at n=13A135232
• The number of vertices formed by straight line segments mutually connecting all vertices of a semicircular polygon defined in A333642.at n=31A330913
• G.f. A(x) satisfies: A(x) = Sum_{n>=0} (n+1) * x^n / (1 - x^(n+1)*A(x)^n)^3.at n=10A340360
• Expansion of e.g.f. 1/(2 + x - exp(3*x)).at n=5A367839