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%I #3 Mar 31 2012 13:22:04
%S 3,31,311,3113197,3113197331
%N Concatenation of digits of A056129(n), starting from the first 3, that form primes.
%C The next term has 279 digits and is too large to include here.
%e A056129: 1,2,6,3,1,1,3,1,9,7,3,3,1 ........
%e 3 is prime
%e 31 is prime
%e 311 is prime
%e 3113197 is prime
%e 3113197331 is prime
%e Next one has 279 digits
%K nonn,base
%O 1,1
%A _Pierre CAMI_, Nov 21 2005
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