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%I #20 Sep 08 2022 08:45:00
%S 2,2,3,4,7,11,19,32,57,103,187,342,631,1171,2185,4096,7711,14564,
%T 27595,52429,99865,190651,364723,699051,1342178,2581111,4971027,
%U 9586981,18512791,35791395,69273667,134217728,260301049,505290271
%N a(n) = ceiling(2^n/n).
%H Vincenzo Librandi, <a href="/A053638/b053638.txt">Table of n, a(n) for n = 1..1000</a>
%F a(n) = A082482(n) + 1.
%t Table[Ceiling[2^n/n],{n,1,40}] (* _Vincenzo Librandi_, Dec 19 2011 *)
%o (Magma) [Ceiling(2^n/n): n in [1..40]]; // _Vincenzo Librandi_, Dec 19 2011
%o (PARI) a(n)=ceil(2^n/n) \\ _Charles R Greathouse IV_, Apr 17 2012
%o (Sage) [ceil(2^n/n) for n in (1..40)] # _G. C. Greubel_, May 17 2019
%Y Cf. A082482, A053637, A053639.
%K nonn,easy
%O 1,1
%A _N. J. A. Sloane_, Mar 23 2000
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