Search: id:A068532
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%I A068532
%S A068532 1,13,4069,794728597,60632980118195215861,
%T A068532 705860789378583615890268750566368301709493,
%U A068532 191323950329148357416786545771849882457465097130873620037231723027086142489376167456309
%N A068532 a(n)=(5^(2^n)-1)/2^(n+2)/3.
%Y A068532 Sequence in context: A159357 A134159 A070905 this_sequence A094316 A057842 
               A023345
%Y A068532 Adjacent sequences: A068529 A068530 A068531 this_sequence A068533 A068534 
               A068535
%K A068532 easy,nonn
%O A068532 1,2
%A A068532 Benoit Cloitre (benoit7848c(AT)orange.fr), Mar 22 2002

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