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Ceiling(n*exp(cot n)).
7

%I #23 Feb 23 2018 10:43:46

%S 2,2,1,10,4,1,23,7,1,47,11,3,113,17,5,446,23,8,13922,32,11,

%T 254720877109456038162413915231807280097784507656381,44,16,1,61,20,1,

%U 90,26,4,146,33,7,289,41,12,954,52,17,20703,65,23,149056697284764410227539532,84,29,1,111,36,2

%N Ceiling(n*exp(cot n)).

%C Searching up to 200000000, records at 1, 4, 7, 10, 13, 16, 19, 22, 355, 104348, 312689, 1146408, 5419351, 85563208, 165707065, .... - _Robert G. Wilson v_, Feb 10 2013

%H Vincenzo Librandi, <a href="/A134896/b134896.txt">Table of n, a(n) for n = 1..299</a>

%t Table[Ceiling[n Exp[Cot[n]]], {n, 50}] (* _Vincenzo Librandi_, Feb 08 2013 *)

%Y Cf. A134890, A134891, A134892, A134893, A134894, A134895.

%K nonn

%O 1,1

%A _Mohammad K. Azarian_, Nov 14 2007