https://www.google.com/search?q=pascal%27s+triangle+with+row+3&espv=2&biw=656&bih=639&source=lnms&tbm=isch&sa=X&ved=0ahUKEwisyZ7KxN3KAhUS5WMKHVNZAFkQ_AUIBigB#imgrc=oFZd9Tg8NXLx7M%3A