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 A198271 #10 Sep 08 2022 08:45:59 %S A198271 0,4,7,11,14,18,22,25,29,32,36,40,43,47,50,54,58,61,65,69,72,76,79,83, %T A198271 87,90,94,97,101,105,108,112,115,119,123,126,130,133,137,141,144,148, %U A198271 151,155,159,162,166,169,173,177,180,184,187,191 %N A198271 Round(n*sqrt(13)). %H A198271 Vincenzo Librandi, <a href="/A198271/b198271.txt">Table of n, a(n) for n = 0..10000</a> %t A198271 Round[Sqrt[13]Range[0,60]] (* _Harvey P. Dale_, Mar 25 2016 *) %o A198271 (Magma) [Round(n*Sqrt(13)): n in [0..60]] %Y A198271 Cf. A171983. %K A198271 nonn,easy %O A198271 0,2 %A A198271 _Vincenzo Librandi_, Oct 24 2011