%I #7 Sep 08 2022 08:45:52
%S 0,0,2,2,1,5,5,1,8,8,0,10,11,1,11,15,4,11,18,8,11,21,12,10,24,16,7,26,
%T 21,4,28,26,0,28,31,4,28,36,10,26,40,16,23,43,23,19,46,30,14,48,37,8,
%U 48,44,1,47,51,6,45,57,15,41,62,25,36,65,34,29,68,44,21,69,53,12,69,62,2
%N a(n) = floor(abs(n*cos(n))).
%H G. C. Greubel, <a href="/A176265/b176265.txt">Table of n, a(n) for n = 1..1000</a>
%p seq(floor(abs(n*cos(n))), n = 1..80); # _G. C. Greubel_, Nov 24 2019
%t Table[Floor@Abs[n*Cos[n]], {n,80}]
%o (PARI) vector(80, n, (abs(n*cos(n)))\1 ) \\ _G. C. Greubel_, Nov 24 2019
%o (Magma) [Floor(Abs(n*Cos(n))): n in [1..80]]; // _G. C. Greubel_, Nov 24 2019
%o (Sage) [floor(abs(n*cos(n))) for n in (1..80)] # _G. C. Greubel_, Nov 24 2019
%K nonn
%O 1,3
%A _José María Grau Ribas_, Apr 13 2010