A051508 a(n) = floor(Sum_{k=0..n} tan(k)).

0, 1, -1, -1, 0, -3, -4, -3, -10, -10, -10, -235, -236, -236, -228, -229, -229, -225, -227, -226, -224, -226, -226, -224, -226, -226, -225, -228, -229, -228, -234, -235, -234, -309, -310, -310, -302, -303, -302, -299, -300, -300, -297, -299, -299, -297, -299, -299, -298, -301, -302, -301, -307

Offset

0,6

Links

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

Mathematica

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

Crossrefs

Sequence in context: A184853 A174280 A172004 * A281230 A323977 A322359

Adjacent sequences: A051505 A051506 A051507 * A051509 A051510 A051511

Keyword

sign

Author

N. J. A. Sloane

Status

approved