This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A171983 #17 Sep 08 2022 08:45:50 %S A171983 3,7,10,14,18,21,25,28,32,36,39,43,46,50,54,57,61,64,68,72,75,79,82, %T A171983 86,90,93,97,100,104,108,111,115,118,122,126,129,133,137,140,144,147, %U A171983 151,155,158,162,165,169,173,176,180,183,187,191,194,198,201,205 %N A171983 Beatty sequence for sqrt(13). %H A171983 Vincenzo Librandi, <a href="/A171983/b171983.txt">Table of n, a(n) for n = 1..1000</a> %F A171983 a(n) = floor(n*sqrt(13)). - _Jon E. Schoenfield_, Jun 18 2010 %t A171983 f[n_]: = Floor[n Sqrt[13]]; Array[f, 80, 1] (* _Vincenzo Librandi_, Aug 01 2013 *) %o A171983 (Magma) [Floor(n*Sqrt(13)): n in [1..80]]; // _Vincenzo Librandi_, Aug 01 2013 %Y A171983 Cf. A010470. %K A171983 nonn,easy %O A171983 1,1 %A A171983 _Vincenzo Librandi_, Jan 21 2010