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

%I #9 Mar 28 2015 22:34:47

%S 0,2,0,0,1,-2,-3,-2,-9,-9,-9,-234,-235,-235,-227,-228,-228,-224,-226,

%T -225,-223,-225,-225,-223,-225,-225,-224,-227,-228,-227,-233,-234,

%U -233,-308,-309,-309,-301,-302,-301,-298,-299,-299,-296,-298,-298,-296,-298,-298,-297,-300,-301,-300,-306

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

%t Table[Ceiling[Sum[Tan[k], {k, 0, n}]], {n, 0, 50}] (* _Wesley Ivan Hurt_, Mar 28 2015 *)

%K sign

%O 0,2

%A _N. J. A. Sloane_

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Last modified April 23 08:18 EDT 2024. Contains 371905 sequences. (Running on oeis4.)