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%I #9 Jul 15 2021 21:23:20
%S 1,2,3,4,17,21,206,296,309,314,392,412,444,3016,3074,3182,3552,3632,
%T 4944,12998,52009,296448,2306507,2343809,2958948,3842106,4419666,
%U 14697047,15137567,21150749,25829523,29916818,41798278,157946358,215882549,318635303,442991424
%N Numbers k such that k times phi(k) is a palindrome.
%e 25829523 * phi(25829523) = 25829523 * 17219628 = 444774777477444.
%Y Cf. A084122, A115890, A115892.
%K nonn,base
%O 1,2
%A _Giovanni Resta_, Feb 06 2006
%E a(34)-a(37) from _Donovan Johnson_, Feb 17 2013