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a(n) = n + A084521(n) - 3.
5

%I #9 Jul 29 2017 13:30:52

%S 1,3,2,5,6,4,9,7,8,12,11,10,14,15,16,13,18,20,19,17,23,21,24,22,27,26,

%T 28,25,31,32,29,30,35,36,34,33,40,37,38,39,44,41,43,42,48,46,45,47,52,

%U 50,51,49,56,55,53,54,60,59,58,57,62,64,65,61,63,67,70,66,69,68,72,75

%N a(n) = n + A084521(n) - 3.

%H A. Karttunen, <a href="/A084507/a084507.scm.txt">Scheme-program for computing this sequence</a>

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

%Y Inverse: A084498. Cf. A084499, A084453, A084459, A084489, A084493.

%K nonn

%O 1,2

%A _Antti Karttunen_, Jun 02 2003