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Self-inverse permutation of natural numbers: A072798(n-1)+1. (one-based).
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%I #5 May 01 2014 02:47:43

%S 1,2,4,3,5,9,10,8,6,7,13,12,11,14,23,24,27,26,28,22,25,20,15,16,21,18,

%T 17,19,36,37,35,32,33,34,31,29,30,41,40,39,38,42,65,66,69,68,70,78,79,

%U 77,74,75,83,82,81,84,64,67,76,73,80,62,71,57,43,44,58,46,45,47,63,72

%N Self-inverse permutation of natural numbers: A072798(n-1)+1. (one-based).

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

%K nonn

%O 1,2

%A _Antti Karttunen_, Jun 12 2002