%I A099258
%S A099258 1,3,2,4,6,7,8,9,5,10,12,13,14,15,16,17,18,19,20,21,11,22,24,25,26,27,
%T A099258 28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,23,46,48,49,50,
%U A099258 51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73
%N A099258 Inverse of A099257.
%C A099258 Permutation of the natural numbers;
%C A099258 a(A033484(n)) = A033484(n);
%C A099258 a(A033484(n) - 1) = A033484(n)/2 = A055010(n).
%H A099258 <a href="Sindx_Per.html#IntegerPermutation">Index entries for sequences 
               that are permutations of the natural numbers</a>
%F A099258 a(n) = if n = 3*2^k - 2 then n else (if n = 3*2^k - 3 then (n + 1)/2 
               else n + 1).
%Y A099258 Sequence in context: A078824 A014685 A021312 this_sequence A105746 A166309 
               A114651
%Y A099258 Adjacent sequences: A099255 A099256 A099257 this_sequence A099259 A099260 
               A099261
%K A099258 nonn
%O A099258 1,2
%A A099258 Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 09 2004