%I A050190
%S A050190 0,6,21,56,126,250,462,792,1287,2002,3000,4368,6188,8568,11628,15500,
%T A050190 20349,26334,33649,42504,53125,65780,80730,98280,118755,142500,169911,
%U A050190 201376,237336,278256,324625,376992,435897,501942
%N A050190 T(n,5), array T as in A050186; a count of aperiodic binary words.
%F A050190 G.f.: x^6(x^9-x^5-4x^4-15x^3+20x^2-15x+6)/[(1-x)^6(1-x^5)^2]. a(n) = 
               A000389(n) - [5 divides n]*n/5 = n*floor(C(n-1, 4)/5). - R. Stephan, 
               Aug 18 2004
%Y A050190 Equals n*A051170(n).
%Y A050190 Sequence in context: A002817 A132366 A015641 this_sequence A008498 A015640 
               A138780
%Y A050190 Adjacent sequences: A050187 A050188 A050189 this_sequence A050191 A050192 
               A050193
%K A050190 nonn
%O A050190 5,2
%A A050190 Clark Kimberling (ck6(AT)evansville.edu)
%E A050190 More terms from R. Stephan, Aug 18 2004