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One-half of the number of closed binary words of length n that are not privileged.
3

%I #3 Dec 28 2017 11:47:34

%S 0,0,0,0,1,2,6,10,21,38,72,128,244,446,836,1546,2899,5428,10256,19326,

%T 36672,69606,132656,253232,484776,929392,1785684,3435846,6622020,

%U 12779444,24696034,47777780,92537529,179406010,348154156,676210084,1314474934

%N One-half of the number of closed binary words of length n that are not privileged.

%C Equals A297184(n)/2. See that entry for further information.

%Y Cf. A297184.

%K nonn

%O 0,6

%A _N. J. A. Sloane_, Dec 28 2017