A100659 Floor of measure (in degrees) of the internal angles of a regular polygon with n sides.

60, 90, 108, 120, 128, 135, 140, 144, 147, 150, 152, 154, 156, 157, 158, 160, 161, 162, 162, 163, 164, 165, 165, 166, 166, 167, 167, 168, 168, 168, 169, 169, 169, 170, 170, 170, 170, 171, 171, 171, 171, 171, 172, 172, 172, 172, 172, 172, 172, 173, 173, 173, 173, 173

Offset

3,1

Links

Table of n, a(n) for n=3..56.

Formula

a(n) = floor(180 - 360/n). - Mark Hudson.

Example

a(4) = 90 because all angles of a square measure 90 degrees.

Prog

(PARI) a(n) = floor((n-2)*180/n); \\ Michel Marcus, Aug 27 2013

Crossrefs

Cf. A069976.

Sequence in context: A337688 A086975 A357686 * A069976 A110546 A335140

Adjacent sequences: A100656 A100657 A100658 * A100660 A100661 A100662

Keyword

easy,nonn

Author

Federico Arboleda (federico.arboleda(AT)gmail.com), Jan 02 2005

Extensions

Edited by Mark Hudson, Jan 05 2005

First term 0 removed by Michel Marcus, Aug 27 2013

Status

approved