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%I #5 Jun 27 2012 14:00:31
%S 1,2,1,4,1,2,1,6,1,2,1,4,1,2,1,11,1,2,1,4,1,2,1,6,1,2,1,4,1,2,1,13,1,
%T 2,1,4,1,2,1,6,1,2,1,4,1,2,1,11,1,2,1,4,1,2,1,6,1,2,1,4,1,2,1,26,1,2,
%U 1,4,1,2,1,6,1,2,1,4,1,2,1,11,1,2,1,4,1,2,1,6,1,2,1,4,1,2,1,13,1,2,1,4,1,2
%N First differences of A068056.
%C Every subsequence a(1) - a((2^k)-1) (with k >= 1) is palindromic and their middle terms a(2^(k-1)) give A068059.
%H A. Karttunen, <a href="/A066425/a066425s.txt">Scheme functions for computing A066425 and related sequences.</a>
%K nonn
%O 1,2
%A _Antti Karttunen_, Feb 26 2002
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