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%I #27 Sep 08 2022 08:44:28
%S 0,0,0,0,-1,-1,-1,0,0,0,-1,-1,-1,0,0,0,-1,-1,-1,0,0,0,-1,-1,-1,-1,0,0,
%T 0,-1,-1,-1,0,0,0,-1,-1,-1,0,0,0,-1,-1,-1,0,0,0,0,-1,-1,-1,0,0,0,-1,
%U -1,-1,0,0,0,-1,-1,-1,0,0,0,-1,-1,-1,-1,0,0,0,-1,-1,-1,0,0,0,-1,-1,-1,0,0
%N a(n) = floor(sin(n)).
%H Robert Israel, <a href="/A000493/b000493.txt">Table of n, a(n) for n = 0..10000</a>
%F a(n) = -(A032615(n) mod 2). - _Robert Israel_, Jun 14 2015
%p f := n->floor(evalf(sin(n)));
%t f[ n_ ] := Floor[ N[ Sin[ n ] ] ]
%t Floor[Sin[Range[0,90]]] (* _Harvey P. Dale_, Dec 04 2012 *)
%o (Magma) [Floor(Sin(n)): n in [0..100]]; // _Vincenzo Librandi_, Jun 15 2015
%Y Cf. A032615, A126564 (even bisection), A000480 (floor cos(n)).
%K sign,easy
%O 0,1
%A _N. J. A. Sloane_