A065650 - OEIS

%I #10 Aug 15 2015 10:29:02

%S 0,1,2,3,4,5,6,7,8,9,11,10,15,17,19,21,23,25,27,29,31,12,30,37,39,41,

%T 43,45,47,49,51,13,32,50,59,61,63,65,67,69,71,14,34,52,70,81,83,85,87,

%U 89,91,16,35,54,72,90,103,105,107,109,111,18,36,56,74,92,110,125,127

%N Inverse permutation to A065649.

%H Reinhard Zumkeller, <a href="/A065650/b065650.txt">Table of n, a(n) for n = 0..10000</a>

%H <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>

%o (Haskell)

%o import Data.List (elemIndex); import Data.Maybe (fromJust)

%o a065650 = fromJust . (`elemIndex` a065649_list)

%o -- _Reinhard Zumkeller_, Aug 13 2015

%Y Cf. A033307, A065648, A065649, A261334.

%Y Cf. A261279 (fixed points), A261294.

%K base,nonn,look

%O 0,3

%A Klaus Strassburger (strass(AT)ddfi.uni-duesseldorf.de), Nov 09 2001

%E Offset changed by _Reinhard Zumkeller_, Aug 13 2015