Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).
%I #12 Sep 08 2022 08:45:32
%S 0,3,3340,1,6,186,2,9,82,2,11,57,1,12,48,0,12,43,0,12,40,0,12,38,
%T 44713,11,36,977,9,35,298,7,33,169,4,31,121,1,29,97,0,27,83,0,24,74,
%U 144422,20,67,1977,16,61,538,12,56,287,7,51
%N a(n) = floor(n*exp(-cot n)).
%H Vincenzo Librandi, <a href="/A134909/b134909.txt">Table of n, a(n) for n = 1..1000</a>
%t Table[Floor[n * Exp[ - Cot[n]]], {n, 70}] (* _Vincenzo Librandi_, Feb 18 2013 *)
%o (Magma) [Floor(n*Exp(-Cot(n))): n in [1..60]]; // _Vincenzo Librandi_, Feb 18 2013
%Y Cf. A134892, A134902, A134903, A134904, A134905, A134906, A134907, A134908.
%K nonn,easy
%O 1,2
%A _Mohammad K. Azarian_, Nov 14 2007
%E Offset corrected by _Mohammad K. Azarian_, Nov 19 2008