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a(n) = ceiling(n*Pi).
5

%I #27 Apr 30 2024 02:27:34

%S 0,4,7,10,13,16,19,22,26,29,32,35,38,41,44,48,51,54,57,60,63,66,70,73,

%T 76,79,82,85,88,92,95,98,101,104,107,110,114,117,120,123,126,129,132,

%U 136,139,142,145,148,151,154,158,161,164,167,170,173,176,180,183,186

%N a(n) = ceiling(n*Pi).

%H Vincenzo Librandi, <a href="/A121381/b121381.txt">Table of n, a(n) for n = 0..1000</a>

%t Table[Ceiling[n Pi], {n, 0, 80}] (* _Vincenzo Librandi_, Feb 22 2013 *)

%o (PARI) for(n=0,50, print1(ceil(n*Pi), ", ")) \\ _G. C. Greubel_, Oct 28 2017

%o (Magma) [Ceiling(n*Pi): n in [0..50]]; // _G. C. Greubel_, Oct 28 2017

%Y Essentially the same as A004084. Cf. A022844, A121854, A121855.

%K nonn,easy

%O 0,2

%A _Mohammad K. Azarian_, Sep 06 2006