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%I #8 Dec 05 2013 19:55:33
%S 1,2,4,16,8,4096,32,16384,134217728,256,33554432,1073741824,
%T 2147483648,68719476736,8192,262144,
%U 2722258935367507707706996859454145691648,1152921504606846976,10889035741470030830827987437816582766592
%N a(1)=1, a(n) is the smallest power of 2 not included earlier such that sum(k=1,n,a(n)) is prime.
%F Conjecture: a(n)=A059661(n)-A059661(n-1). - _R. J. Mathar_, May 07 2007
%Y Cf. A059661.
%K nonn
%O 1,2
%A _Amarnath Murthy_, Aug 19 2002
%E More terms from _Benoit Cloitre_, Aug 27 2002
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