70946

Appears in sequences

• a(n) = A115004(2n)/4.at n=17A331760
• For 1<=x<=n, 1<=y<=n with gcd(x,y)=1, write 1 = gcd(x,y) = u*x+v*y with u,v minimal; a(n) = m^2*s, where s is the population variance of the values of v and m is the number of such values.at n=12A345693