A332485 Numbers k such that sin(k) > 0 or cos(k) < 0.

1, 2, 3, 4, 7, 8, 9, 10, 13, 14, 15, 16, 17, 19, 20, 21, 22, 23, 26, 27, 28, 29, 32, 33, 34, 35, 36, 38, 39, 40, 41, 42, 44, 45, 46, 47, 48, 51, 52, 53, 54, 57, 58, 59, 60, 61, 63, 64, 65, 66, 67, 70, 71, 72, 73, 76, 77, 78, 79, 80, 82, 83, 84, 85, 86, 88

Offset

1,2

Links

Table of n, a(n) for n=1..66.

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, A332484, A332486, A332487.

Sequence in context: A171551 A096199 A104576 * A031477 A047227 A317047

Adjacent sequences: A332482 A332483 A332484 * A332486 A332487 A332488

Keyword

nonn,easy

Author

Clark Kimberling, Apr 14 2020

Status

approved