%I #7 Mar 30 2012 17:27:18
%S 2,1,4,5,7,10,8,13,16,11,19,22,14,25,28,17,31,34,20,37,40,23,43,46,26,
%T 49,52,29,55,58,32,61,64,35,67,70,38,73,76,41,79,82,44,85,88,47,91,94,
%U 50,97,100,53,103,106,56,109,112,59,115,118,62,121,124,65,127,130,68
%N a(n) is taken to be the smallest positive integer not already present which is consistent with the condition "n is a member of the sequence if and only if a(n) is congruent to 1 mod 3".
%C A permutation of all positive non-multiples of 3. - _Matthew Vandermast_, Mar 21 2003
%H B. Cloitre, N. J. A. Sloane and M. J. Vandermast, <a href="http://www.cs.uwaterloo.ca/journals/JIS/index.html">Numerical analogues of Aronson's sequence</a>, J. Integer Seqs., Vol. 6 (2003), #03.2.2.
%H B. Cloitre, N. J. A. Sloane and M. J. Vandermast, <a href="http://arXiv.org/abs/math.NT/0305308">Numerical analogues of Aronson's sequence</a> (math.NT/0305308)
%F a(3m)=3m+2, a(3m+1)=6m+1, a(3m+2)=6m+4.
%Y Cf. A079000, A079313, A080029, A080031.
%K easy,nonn
%O 0,1
%A _N. J. A. Sloane_, Mar 14 2003
%E More terms from _Matthew Vandermast_, Mar 21 2003