%I

%S 0,0,0,0,0,1,11,37,109,287,698,1617,3642,7985,17208,36620,77093

%N Number of 4-divided binary words of length n.

%C See A210109 for further information.

%D Computed by David Scambler, Mar 19 2012

%Y Cf. A210109.

%K nonn,more

%O 1,7

%A _N. J. A. Sloane_, Mar 20 2012