Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).
%I #12 Jul 11 2016 02:20:58
%S 1,2,0,0,1,1,2,1,1,0,1,2,2,0,0,1,0,2,2,1,0,0,2,2,1,2,0,0,1,2,2,0,0,1,
%T 0,0,2,0,1,1,2,2,0,2,1,1,0,2,2,1,1,0,1,1,2,1,0,0,2,2,1,2,2,0,2,1,1,0,
%U 0,2,0,1,1,2,0,0,1,1,2,1,1,0,1,2,2,0,0,1,0,0,2,0,1,1,2,2,0,2,1,1,0,2,2,1,1
%N An example of a d-perfect sequence.
%H D. Kohel, S. Ling and C. Xing, <a href="http://www.maths.usyd.edu.au/u/kohel/doc/perfect.ps">Explicit Sequence Expansions</a>, in Sequences and their Applications, C. Ding, T. Helleseth, and H. Niederreiter, eds., Proceedings of SETA'98 (Singapore, 1998), 308-317, 1999. DOI: 10.1007/978-1-4471-0551-0_23
%F a(n) = ((-1)^(n+1)*A052709(n)) mod 3. - _Christian G. Bower_, Jun 12 2005
%K nonn
%O 1,2
%A _N. J. A. Sloane_.
%E More terms from _Christian G. Bower_, Jun 12 2005