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%I #2 Mar 30 2012 17:40:36
%S 2,3,6,7,8,11,73,91,93,105,109,119,127,151,157,185,195,209,223,225,
%T 229,249,289,303,325,355,371,385,395,397,401,417,473,495,545,559,589,
%U 641,665,673,681,699,709,779,795,815,821,901,905,1007,1041,1061,1065
%N n+phi(n)+phi(phi(n)) is a brilliant number (A078972).
%e 779+phi(779)+phi(phi(779)) = 1691 = 19*89.
%Y Cf. A078972, A116046.
%K nonn,base
%O 1,1
%A _Giovanni Resta_, Feb 13 2006