%I #2 Mar 30 2012 17:33:49
%S 3,731,1278191131071,
%T 52428721474836472305843009213693951618970019642690137449562111
%N Concatenation of next n Mersenne primes.
%Y Cf. A053067, A053068. Mersenne primes: A000668.
%K easy,nonn,base
%O 1,1
%A _Omar E. Pol_, Oct 19 2007
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