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 A228177 #8 Sep 08 2022 08:46:05
%S A228177 0,4,9,14,18,23,28,32,37,42,46,51,56,60,65,70,74,79,84,89,93,98,103,
%T A228177 107,112,117,121,126,131,135,140,145,149,154,159,163,168,173,178,182,
%U A228177 187,192,196,201,206,210,215,220,224,229,234,238,243,248,253,257,262
%N A228177 Floor(n*(sqrt(6)+sqrt(5))).
%C A228177 a(n) = integer part of n*4.6855577..., where the constant is the largest root of x^4 -22*x^2 +1.
%H A228177 Vincenzo Librandi, <a href="/A228177/b228177.txt">Table of n, a(n) for n = 0..1000</a>
%t A228177 With[{c = Sqrt[6] + Sqrt[5]}, Floor[c Range[0, 60]]]
%o A228177 (Magma) [Floor(n*(Sqrt(6)+Sqrt(5))): n in [0..60]];
%Y A228177 Cf. A110117, A172323 - A172332, A172334, A172336 - A172338.
%K A228177 nonn,easy
%O A228177 0,2
%A A228177 _Vincenzo Librandi_, Aug 15 2013