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A246444 Nonnegative integers k satisfying sin(k) > sec(k). 7

%I #11 Oct 15 2016 16:17:27

%S 2,3,4,8,9,10,15,16,17,21,22,23,27,28,29,33,34,35,36,40,41,42,46,47,

%T 48,52,53,54,59,60,61,65,66,67,71,72,73,77,78,79,80,84,85,86,90,91,92,

%U 96,97,98,103,104,105,109,110,111,115,116,117,121,122,123,124

%N Nonnegative integers k satisfying sin(k) > sec(k).

%H Clark Kimberling, <a href="/A246444/b246444.txt">Table of n, a(n) for n = 1..1000</a>

%t z = 200;

%t Select[Range[0, z], Sin[#] > Sec[#] &] (* A246444 *)

%t Select[Range[0, z], Sin[#] < Sec[#] &] (* A131503 *)

%o (PARI) is(n) = cos(n) < 0; \\ _Michel Marcus_, Oct 15 2016

%Y Cf. A131503 (complement).

%K nonn,easy

%O 1,1

%A _Clark Kimberling_, Aug 26 2014

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)