%I #21 Jan 06 2021 12:42:19

%S 0,1,2,3,5,6,7,9,10,11,13,14,15,16,17,18,19,21,22,23,25,26,27,29,30,

%T 31,32,33,34,35,37,38,39,41,42,43,45,46,47,48,49,50,51,53,54,55,57,58,

%U 59,61,62,63,65,66,67,69,70,71,73,74,75,77,78,79,80,81,82,83,85,86,87,89,90,91,93,94,95,96,97,98,99,101,102,103,105,106

%N N-positions for game of Mark-4.

%H Aviezri S. Fraenkel, <a href="http://dx.doi.org/10.1016/j.disc.2011.03.032">The vile, dopey, evil and odious game players</a>, Discrete Math. 312 (1) (2012) 42-46.

%H David Wakeham and David R. Wood, <a href="http://www.emis.de/journals/INTEGERS/papers/n26/n26.Abstract.html">On multiplicative Sidon sets</a>, INTEGERS, 13 (2013), #A26.

%p # see A171949

%Y Complement of A171949.

%K nonn,easy

%O 1,3

%A _N. J. A. Sloane_, Oct 29 2010