A051510 a(n) = ceiling(Sum_{k=0..n} tan(k)).

0, 2, 0, 0, 1, -2, -3, -2, -9, -9, -9, -234, -235, -235, -227, -228, -228, -224, -226, -225, -223, -225, -225, -223, -225, -225, -224, -227, -228, -227, -233, -234, -233, -308, -309, -309, -301, -302, -301, -298, -299, -299, -296, -298, -298, -296, -298, -298, -297, -300, -301, -300, -306

Offset

0,2

Links

Table of n, a(n) for n=0..52.

Mathematica

Table[Ceiling[Sum[Tan[k], {k, 0, n}]], {n, 0, 50}] (* Wesley Ivan Hurt, Mar 28 2015 *)

Crossrefs

Sequence in context: A290694 A146164 A263141 * A361800 A340958 A320781

Adjacent sequences: A051507 A051508 A051509 * A051511 A051512 A051513

Keyword

sign

Author

N. J. A. Sloane

Status

approved