OFFSET
1,3
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
MATHEMATICA
Table[Ceiling[Cot[n]], {n, 100}] (* T. D. Noe, Mar 16 2012 *)
PROG
(PARI) a(n)=ceil(1/tan(n)) \\ Charles R Greathouse IV, Feb 07 2013
(Magma) [Ceiling(1/Tan(n)): n in [1..80]]; // Vincenzo Librandi, Feb 16 2013
CROSSREFS
KEYWORD
sign,easy
AUTHOR
Mohammad K. Azarian, Mar 15 2012
STATUS
approved