%I #5 Jul 15 2021 21:25:17
%S 4,5,9,10,11,13,61,87,127,181,241,253,265,287,295,321,323,349,361,363,
%T 377,397,407,409,421,451,457,473,481,485,511,515,527,537,541,581,595,
%U 631,635,671,695,705,721,731,751,757,763,769,793,805,807,843,851,867
%N Numbers k such that k + phi(k) is a brilliant number (A078972).
%e 295 + phi(295) = 527 = 17*31.
%Y Cf. A078972, A115916.
%K nonn,base
%O 1,1
%A _Giovanni Resta_, Feb 06 2006
