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%I #11 Jun 16 2016 23:27:22
%S 0,2,6,11,20,38,71,136,265,523,1036,2061,4110,8207,16400,32785,65554,
%T 131092,262165,524310,1048599,2097176,4194329,8388634,16777243,
%U 33554460,67108893,134217758,268435487,536870944,1073741857,2147483682
%N From P-positions in a certain game.
%H A. S. Fraenkel, <a href="http://www.emis.de/journals/INTEGERS/papers/eg6/eg6.Abstract.html">New games related to old and new sequences</a>, INTEGERS, Electronic J. of Combinatorial Number Theory, Vol. 4, Paper G6, 2004.
%F See A081690 for formulas.
%Y Apart from initial zero, complement of A081690.
%K nonn
%O 0,2
%A _N. J. A. Sloane_, Apr 02 2003
%E More terms from _Vladeta Jovovic_, Apr 04 2003