Who was the 42nd President of the United States?

Who was the 38th President of the United States? Who was the 39th President of the United States? Who was the 40th President of the United States? Who was the 41st President of the United States? Who was the 43rd President of the United States? Who was the 44th President of the United States? Who was the 46th President of the United States? Which president is counted as both the 22nd and the 24th President?