152872

Appears in sequences

• a(n) = 8*a(n-1) - 6*a(n-2), with a(0)=0, a(1)=1.at n=7A190978
• Expansion of x*(1+7*x-6*x^3)/(1-8*x^2+6*x^4).at n=12A249310
• For 1<=x<=n, 1<=y<=n, write gcd(x,y) = u*x+v*y with u,v minimal; a(n) = n^4*s, where s is the population variance of the values of u.at n=13A345687