A261294 - OEIS

%I #6 Aug 15 2015 03:35:20

%S 0,1,2,3,4,5,6,7,8,9,10,11,21,25,29,12,37,41,45,49,13,15,51,65,69,14,

%T 52,81,85,89,16,17,32,91,109,18,56,92,125,129,20,19,59,35,131,22,58,

%U 96,132,169,24,23,61,72,38,171,62,100,136,172,28,27,63,103

%N a(n) = A065650(A065650(n)).

%C Permutation of the nonnegatve integers with inverse A261293;

%C a(A065649(n)) = A065649(a(n)) = A065650(n).

%H Reinhard Zumkeller, <a href="/A261294/b261294.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 a261294 = a065650 . a065650

%Y Cf. A065650, A065649, A261293 (inverse), A261279 (fixed points).

%K nonn,look

%O 0,3

%A _Reinhard Zumkeller_, Aug 14 2015