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%I #10 Mar 08 2019 16:45:21
%S 1,2,37,10079,2549055889
%N a(0) =1, a(n+1) = prime(N), N = concatenation a(1), a(2), a(3), ..., a(n).
%C The next term is prime(1237100792549055889). - _N. J. A. Sloane_, Jan 31 2019
%e a(0) = 1, a(1) = prime(1) = 2, a(2) = prime(12) = 37
%e a(3) = prime(1237) = 10079,
%e a(4) = prime(123710079) = 2549055889.
%K base,more,nonn,hard
%O 0,2
%A _Amarnath Murthy_, Aug 11 2005