375408

Appears in sequences

• Expansion of a Schwarzian ({f_{27|3}, tau} / (4*Pi)^2) in powers of q^3.at n=18A062248
• a(n) = Sum_{1 <= x_1, x_2, x_3 <= n} gcd(x_1, x_2, x_3, n)^3.at n=35A372928