A110547 - OEIS

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

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Numbers that are not divisors of 360.

LINKS

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

EXAMPLE

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

MATHEMATICA

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

CROSSREFS