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Numbers k such that k + prime(k) is a brilliant number (A078972).
1

%I #8 Jul 15 2021 21:25:01

%S 12,30,36,56,60,84,86,120,140,156,174,182,198,210,212,216,230,232,276,

%T 320,340,398,428,478,486,512,536,606,680,708,756,810,1170,1210,1444,

%U 1498,1522,1624,1696,1800,1852,1900,2014,2100,2190,2300,2364,2422

%N Numbers k such that k + prime(k) is a brilliant number (A078972).

%e 1444 + prime(1444) = 103*131.

%Y Cf. A078972, A115913.

%K nonn,base

%O 1,1

%A _Giovanni Resta_, Feb 06 2006