OFFSET
3,1
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
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