A086961 - OEIS

%I #6 Mar 30 2012 18:50:37

%S 3,1,2,8,25,4,21,6,15,5,33,9,39,7,12,24,51,36,57,16,14,11,69,20,10,13,

%T 54,56,87,18,93,48,22,17,280,30,111,19,26,32,123,28,129,88,27,23,141,

%U 40,343,70,34,104,159,45,275,42,38,29,177,50,183,31,168,112,325

%N a(A086957(n))=A086959(n), a(A086958(n))=A086957(n), a(A086959(n))=A086958(n), see A086956.

%C permutation of natural numbers with inverse A086960: a(A086960(n)) = A086960(a(n)) = n;

%C a(n) = A086962(A086963(n)) = A086963(A086962(n)).

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

%Y Cf. A086572, A086571.

%K nonn

%O 1,1

%A _Reinhard Zumkeller_, Jul 25 2003