Ugh?
Code:
 SQL> select mod(rownum,4), count(*)
  2  from   all_objects
  3  group by mod(rownum,4)
  4  /

MOD(ROWNUM,4)   COUNT(*)
------------- ----------
            0       2134
            1       2135
            2       2135
            3       2135
How do I group without grouping ? ?