%I A086907
%S A086907 2,8,58,802
%N A086907 Number of idempotent n X n matrices over GF(2).
%Y A086907 Cf. A081080.
%Y A086907 Sequence in context: A063074 A005804 A162067 this_sequence A132186 A162068 
               A162069
%Y A086907 Adjacent sequences: A086904 A086905 A086906 this_sequence A086908 A086909 
               A086910
%K A086907 nonn
%O A086907 1,1
%A A086907 Yuval Dekel (dekelyuval(AT)hotmail.com), Sep 19 2003