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A051510 a(n) = ceiling(Sum_{k=0..n} tan(k)). 0
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 (list; graph; refs; listen; history; text; internal format)
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 * A320781 A284608 A325201

Adjacent sequences:  A051507 A051508 A051509 * A051511 A051512 A051513

KEYWORD

sign

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified April 14 00:42 EDT 2021. Contains 342941 sequences. (Running on oeis4.)