Search: id:A054239
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%I A054239
%S A054239 0,1,2,4,3,6,7,11,5,8,9,13,12,17,18,24,10,15,16,22,21,28,29,37,23,30,
%T A054239 31,39,38,47,48,58,14,19,20,26,25,32,33,41,27,34,35,43,42,51,52,62,40,
%U A054239 49,50,60,59,70,71,83,61,72,73,85,84,97,98,112,36,45,46,56,55,66,67,79
%N A054239 Inverse of A054238.
%C A054239 Transforms binary-interleaved pair numbers into diagonal pair numbers.
%H A054239 <a href="Sindx_Per.html#IntegerPermutation">Index entries for sequences 
               that are permutations of the natural numbers</a>
%e A054239 a(3)=4 so A054238(4)=3.
%Y A054239 Inverse of A054238.
%Y A054239 Sequence in context: A126714 A035506 A006016 this_sequence A048680 A143529 
               A103867
%Y A054239 Adjacent sequences: A054236 A054237 A054238 this_sequence A054240 A054241 
               A054242
%K A054239 easy,nonn,tabl
%O A054239 0,3
%A A054239 Marc LeBrun (mlb(AT)well.com), Feb 07 2000

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