import matplotlib.pyplot as plt
rows = 5
plt.figure(figsize=(6, 6))
for i in range(rows):
for j in range(i + 1):
x = j - i / 2
y = -i
plt.scatter(x, y, s=500, c='blue')
plt.xlim(-rows / 2, rows / 2)
plt.ylim(-rows, 1)
plt.axis('off')
plt.gca().set_aspect('equal', adjustable='datalim')
plt.title("Equilateral Triangle Pattern Plot", fontsize=14)
plt.show()