373489

Properties

Appears in sequences

• Number of (w,x,y,z) with all terms in {1,...,n} and 2w*x<=3*y*z.at n=28A211921
• a(n) = Sum_{1 <= x_1, x_2, x_3 <= n} gcd(x_1, x_2, x_3, n)^5.at n=12A372930
• Prime numbersat n=31789