A068057 - OEIS

%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