mu_max = 100000 sqroot = floor sqrt mu_max # for i to mu_max mu[] &= 1 . for i = 2 to sqroot if mu[i] = 1 for j = i step i to mu_max mu[j] *= -i . for j = i * i step i * i to mu_max mu[j] = 0 . . . for i = 2 to mu_max if mu[i] = i mu[i] = 1 elif mu[i] = -i mu[i] = -1 elif mu[i] < 0 mu[i] = 1 elif mu[i] > 0 mu[i] = -1 . . numfmt 0 3 for i = 1 to 100 write mu[i] if i mod 10 = 0 print "" . .