A332484 Numbers k such that sin(k) > 0 or cos(k) > 0.

1, 2, 3, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 18, 19, 20, 21, 24, 25, 26, 27, 28, 30, 31, 32, 33, 34, 37, 38, 39, 40, 43, 44, 45, 46, 47, 49, 50, 51, 52, 53, 55, 56, 57, 58, 59, 62, 63, 64, 65, 68, 69, 70, 71, 72, 74, 75, 76, 77, 78, 81, 82, 83, 84, 87, 88, 89

Offset

1,2

Links

Table of n, a(n) for n=1..67.

Mathematica

Select[Range[100], Sin[#] > 0 || Cos[#] > 0 &] (* A332484 *)
Select[Range[100], Sin[#] > 0 || Cos[#] < 0 &] (* A332485 *)
Select[Range[100], Sin[#] < 0 || Cos[#] > 0 &] (* A332486 *)
Select[Range[100], Sin[#] < 0 || Cos[#] < 0 &] (* A332487 *)

Crossrefs

Cf. A332480-A332483, A332485, A332486, A332487.

Sequence in context: A184526 A047256 A039252 * A360556 A039194 A242485

Adjacent sequences: A332481 A332482 A332483 * A332485 A332486 A332487

Keyword

nonn,easy

Author

Clark Kimberling, Apr 14 2020

Status

approved