%I #13 Jun 17 2017 03:56:13
%S 18,558,5958,59958,599958,5999958,59999958,599999958,5999999958,
%T 59999999958,599999999958,5999999999958,59999999999958,
%U 599999999999958,5999999999999958,59999999999999958,599999999999999958
%N 6*(10^n7)
%H <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (11,10).
%F G.f. 18*x*(1+20*x) / ( (10*x1)*(x1) ).  R. J. Mathar, Aug 24 2011
%F a(n) = 18*A033175(n1).  R. J. Mathar, Aug 24 2011
%t 6(10^Range[20]7) (* _Harvey P. Dale_, Mar 22 2011 *)
%K nonn,easy
%O 1,1
%A _Vincenzo Librandi_
