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%I #18 Dec 07 2019 12:18:24
%S 1,5,37,277,2222,18518,158730,1388888,12345679,111111111,1010101010,
%T 9259259259,85470085470,793650793650,7407407407407,69444444444444,
%U 653594771241830,6172839506172839,58479532163742690,555555555555555555
%N a(n) = floor( (10^n - 1) / (9*n) ).
%C Previous name was "Concatenation of 1 n times divided by n." - _Michael Somos_, May 31 2014
%H Robert Israel, <a href="/A089303/b089303.txt">Table of n, a(n) for n = 1..1000</a>
%F a(n) = floor((10^n-1)/(9n)).
%p f:= n -> floor((10^n-1)/(9*n)):
%p map(f, [$1..100]); # _Robert Israel_, Oct 30 2019
%t Table[Floor[(10^n-1)/(9n)],{n,20}] (* _Harvey P. Dale_, Dec 06 2018 *)
%o (Sage) [floor(gaussian_binomial(n,1,10)/n) for n in range(1,21)] # - _Zerinvary Lajos_, May 29 2009
%Y Cf. A002275.
%K nonn
%O 1,2
%A _Amarnath Murthy_, Oct 31 2003
%E More terms from _Sam Alexander_, Feb 27 2004
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