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The a(n)-th (odd) binary palindrome is A162749(n).
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%I #14 Aug 10 2021 11:05:31

%S 2,1,5,6,3,4,11,12,13,14,7,8,9,10,23,24,25,26,27,28,29,30,15,16,17,18,

%T 19,20,21,22,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,31,32,33,

%U 34,35,36,37,38,39,40,41,42,43,44,45,46,95,96,97,98,99,100

%N The a(n)-th (odd) binary palindrome is A162749(n).

%C This is a self-inverse permutation of the positive integers.

%Y Cf. A006995, A162749.

%K nonn,base

%O 1,1

%A _Leroy Quet_, Jul 12 2009

%E More terms from _Jinyuan Wang_, Aug 10 2021