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Floor of measure (in degrees) of the internal angles of a regular polygon with n sides.
3

%I #8 May 10 2021 20:19:59

%S 60,90,108,120,128,135,140,144,147,150,152,154,156,157,158,160,161,

%T 162,162,163,164,165,165,166,166,167,167,168,168,168,169,169,169,170,

%U 170,170,170,171,171,171,171,171,172,172,172,172,172,172,172,173,173,173,173,173

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

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

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

%o (PARI) a(n) = floor((n-2)*180/n); \\ _Michel Marcus_, Aug 27 2013

%Y Cf. A069976.

%K easy,nonn

%O 3,1

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

%E Edited by Mark Hudson, Jan 05 2005

%E First term 0 removed by _Michel Marcus_, Aug 27 2013