%I A071304
%S A071304 1,4,120,14400,9360000,29016000000
%N A071304 1/2 number of n X n 0..4 matrices with MM' mod 5 = I.
%Y A071304 Sequence in context: A002702 A068204 A001332 this_sequence A006607 A062081 
               A053881
%Y A071304 Adjacent sequences: A071301 A071302 A071303 this_sequence A071305 A071306 
               A071307
%K A071304 nonn
%O A071304 1,2
%A A071304 Ron Hardin (rhhardin(AT)att.net), Jun 11 2002