https://www.tlocke.org.uk/2026-04-01T00:00:00+01:002026-04-01T00:00:00+01:002026-04-01T00:00:00+01:00Tony Locketag:www.tlocke.org.uk,2026-04-01:/2026/sierpinski-triangle.html<p><img alt="Sierpinski Triangle" src="https://www.tlocke.org.uk/2026/images/sierpinski_triangle.jpg"> </p>