128532

Appears in sequences

• Row 5 of table A124560; also, the self-convolution 5th power equals A124555, which is row 5 of table A124550.at n=6A124565
• Expansion of Product_{k>=1} (1+x^k)^(k*(k+1)*(k+2)/6).at n=13A258343
• Coefficients of 1/(Sum_{k>=0} round((k+1)*r)(-x)^k), where r = sqrt(2).at n=18A289912
• 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 u and m is the number of such values.at n=14A345692