A332482 - OEIS

A332482

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

5, 6, 11, 12, 18, 24, 25, 30, 31, 37, 43, 49, 50, 55, 56, 62, 68, 69, 74, 75, 81, 87, 93, 94, 99, 100, 106, 112, 113, 118, 119, 125, 131, 137, 138, 143, 144, 150, 156, 157, 162, 163, 169, 175, 181, 182, 187, 188, 194, 200, 201, 206, 207, 213, 219, 225, 226

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OFFSET

1,1

COMMENTS

The sequences A332480-A332483 partition the positive integers.

LINKS

Table of n, a(n) for n=1..57.

MATHEMATICA

Select[Range[300], Sin[#] > 0 && Cos[#] > 0 &] (* A332480 *)

Select[Range[300], Sin[#] > 0 && Cos[#] < 0 &] (* A332481 *)

Select[Range[300], Sin[#] < 0 && Cos[#] > 0 &] (* A332482 *)

Select[Range[300], Sin[#] < 0 && Cos[#] < 0 &] (* A332483 *)