Pascal's triangle and power of 2
http://dmentrard.free.fr/GEOGEBRA/Maths/Export6/Pascaltrig2MD.html
[url=http://dmentrard.free.fr/GEOGEBRA/Maths/Export6/Pascaltrig2MD.html]http://dmentrard.free.fr/GEOGEBRA/Maths/Export6/Pascaltrig2MD.html[/url]
Information: Pascal's triangle and power of 2