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%I #9 Apr 04 2016 23:29:07
%S 12,103,1005,10007,100011,1000013,10000017,100000019,1000000023,
%T 10000000029,100000000031,1000000000037,10000000000041,
%U 100000000000043,1000000000000047,10000000000000053,100000000000000059,1000000000000000061
%N a(n) = 10^n + prime(n).
%e a(4) = 10^4+7=10007.
%o (PARI) a(n) = 10^n + prime(n); \\ _Altug Alkan_, Mar 24 2016
%Y Cf. A000040, A011557.
%K nonn
%O 1,1
%A _Emre APARI_, Mar 24 2016