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A132940 Concatenation of first n Fermat primes. 0


%S 3,35,3517,3517257,351725765537

%N Concatenation of first n Fermat primes.

%Y Cf. A000215, A007908, A019518. Fermat primes: A019434.

%K easy,nonn,base

%O 1,1

%A _Omar E. Pol_, Oct 16 2007

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Last modified August 9 20:09 EDT 2020. Contains 336326 sequences. (Running on oeis4.)