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%I #4 Jul 14 2014 15:56:38
%S 1,3,5,7,9,11,13,15,17,19,2,4,6,8,10,12,14,16,18,20,21,23,25,27,29,31,
%T 33,35,37,39,41,43,28,45,47,49,51,53,55,57,59,61,30,48,63,65,67,69,71,
%U 73,75,77,32,50,66,79,81,83,85,87,89,91,34,52,68,82,93
%N Inverse of A238880.
%C A238880(a(n)) = n; for n > 1: a(A238880(n)).
%H Reinhard Zumkeller, <a href="/A245234/b245234.txt">Table of n, a(n) for n = 0..10000</a>
%o (Haskell)
%o import Data.List (elemIndex); import Data.Maybe (fromJust)
%o a245234 = (+ 1) . fromJust . (`elemIndex` a238880_list)
%K nonn
%O 0,2
%A _Reinhard Zumkeller_, Jul 14 2014
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