A195910 a(n) = ceiling(tan(n)).

0, 2, -2, 0, 2, -3, 0, 1, -6, 0, 1, -225, 0, 1, 8, 0, 1, 4, -1, 1, 3, -1, 1, 2, -2, 0, 2, -3, 0, 1, -6, 0, 1, -75, 0, 1, 8, 0, 1, 4, -1, 1, 3, -1, 1, 2, -2, 0, 2, -3, 0, 1, -6, 0, 1, -45, 0, 1, 9, 0, 1, 4, -1, 1, 3, -1, 1, 2, -2, 0, 2, -3, 0, 1, -5, 0, 1, -32

Offset

0,2

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

Mathematica

Table[Ceiling[Tan[n]], {n, 0, 100}] (* T. D. Noe, Mar 16 2012 *)

Prog

(Magma) [Ceiling(Tan(n)): n in [0..80]]; // Vincenzo Librandi, Feb 15 2013

Crossrefs

Cf. A000503, A037448, A195911.

Sequence in context: A356359 A141661 A278521 * A240590 A080769 A328903

Adjacent sequences: A195907 A195908 A195909 * A195911 A195912 A195913

Keyword

sign,easy

Author

Mohammad K. Azarian, Mar 15 2012

Status

approved