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%I #8 Sep 04 2017 23:24:16
%S 11,121,1331,14641,121110352,1332213872,105923336431682,
%T 4676049710123077
%N Smallest k such that gcd(k, reverse(k)) = 11^n.
%F a(n) = A069554(11^n).
%e a(8) = 4676049710123077 = (11^8)*13*1678009, reverse(a(8)) = 7703210179406764 = (11^8)*2*2*157*57223.
%Y Cf. A004086, A055483, A069554, A071686 (=2^n), A072005 (=3^n), A072021 (=5^n), A072050 (=7^n).
%K base,nonn
%O 1,1
%A _Labos Elemer_, Jun 10 2002
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