Search: id:A139022
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%I A139022
%S A139022 2,5,16,29,256,563,1024,1487,4096,6779,65536,124367,262144,400151,
%T A139022 17179869184,34359339617,274877906944,515396474423,
%U A139022 19807040628566084398385987584,39614081257132168281375501017
%N A139022 a(n) = sum{k=0 to n} A139021(k)).
%C A139022 By definition, every term is a power of a prime.
%C A139022 For all n >= 0, a(2n) = 2^m, m >= 1.
%H A139022 Leroy Quet, <a href="http://www.prism-of-spirals.net/">Home Page</a> 
               (listed in lieu of email address)
%Y A139022 Cf. A139020, A139021.
%Y A139022 Sequence in context: A101847 A117557 A137997 this_sequence A053683 A082085 
               A054971
%Y A139022 Adjacent sequences: A139019 A139020 A139021 this_sequence A139023 A139024 
               A139025
%K A139022 nonn
%O A139022 0,1
%A A139022 Leroy Quet Apr 06 2008
%E A139022 a(5)-a(19) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Nov 26 
               2008

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