In[1]:= Needs["Combinatorica`"]

    General::compat: Combinatorica Graph and Permutations functionality has been superseded by
preloaded functionality. The package now being loaded may conflict with this. Please see
the Compatibility Guide for details.

In[2]:= Tableaux[3]
Out[2]= {{{1, 2, 3}}, {{1, 3}, {2}}, {{1, 2}, {3}}, {{1}, {2}, {3}}}

In[3]:= Tableaux[{3}]
Out[3]= {{{1, 2, 3}}}

In[4]:= Tableaux /@ IntegerPartitions[3]
Out[4]= {{{{1, 2, 3}}}, {{{1, 3}, {2}}, {{1,
    2}, {3}}}, {{{1}, {2}, {3}}}}