%I #4 Oct 11 2017 09:15:41
%S 1,1,2,3,6,12,24,48,95,189,377,754,1507,3014,6028,12055,24110,48219,
%T 96438,192875,385750,771500,1542999,3085997,6171993,12343986,24687972,
%U 49375943,98751886,197503772,395007543,790015085,1580030169,3160060338,6320120675
%N Least integer k such that k/2^n > 1/e.
%H Clark Kimberling, <a href="/A293340/b293340.txt">Table of n, a(n) for n = 0..1000</a>
%F a(n) = ceiling(r*2^n), where r = 1/e.
%F a(n) = A293339(n) + 1.
%t z = 120; r = 1/E;
%t Table[Floor[r*2^n], {n, 0, z}]; (* A293339 *)
%t Table[Ceiling[r*2^n], {n, 0, z}]; (* A293340 *)
%t Table[Round[r*2^n], {n, 0, z}]; (* A293341 *)
%Y Cf. A001113, A027437, A293339, A293341.
%K nonn,easy
%O 0,3
%A _Clark Kimberling_, Oct 10 2017