Displaying rows into columns

I have table having below records.

empno ename deptno

101 a 10
102 b 20
103 c 10
104 d 20
105 e 30

Normal Output

deptno count(*)
-----------------
10 2
20 2
30 1

I want to display like this(rows into columns)
--------------------------------------------------------

Required Output
-------------
10 20 30

2 2 1

http://www.oracle-base.com/articles/11g/pivot-and-unpivot-operators-11gr1.php

Clive