A110547 Number of sides of regular polygons whose interior angles (in degrees) are not integers.

7, 11, 13, 14, 16, 17, 19, 21, 22, 23, 25, 26, 27, 28, 29, 31, 32, 33, 34, 35, 37, 38, 39, 41, 42, 43, 44, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86

Offset: 1

Author

Alexandre Wajnberg, Sep 11 2005

Keywords

• easy
• nonn

Comments

Numbers that are not divisors of 360.

Examples

			a(3)=13 because the third polygon whose interior angle in degrees is not an integer is the 13-gon.
		

Crossrefs

Cf. A069976, A100659, A018412.

Programs

Mathematica

Select[Range[86],!Divisible[360,#] &] (* Stefano Spezia, Sep 05 2024 *)