A130573 - OEIS

%I #5 Mar 30 2012 18:50:58

%S 0,1,2,3,4,5,6,7,8,9,10,11,19,20,12,13,14,15,16,17,18,21,22,29,30,23,

%T 24,25,26,27,28,31,32,33,39,40,34,35,36,37,38,41,42,43,44,49,50,45,46,

%U 47,48,51,52,53,54,55,59,60,56,57,58,61,62,63,64,65,66,69,70,67,68,71,72

%N A130571(A130571(n)).

%C Permutation of the natural numbers with inverse A130574;

%C a(A130575(n)) = A130575(n).

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

%K nonn

%O 0,3

%A _Reinhard Zumkeller_, Jun 05 2007