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 A198269 #10 Sep 08 2022 08:45:59 %S A198269 0,4,7,11,14,18,21,25,28,32,35,39,42,46,49,52,56,59,63,66,70,73,77,80, %T A198269 84,87,91,94,97,101,104,108,111,115,118,122,125,129,132,136,139,143, %U A198269 146,149,153,156,160,163,167,170,174,177,181,184,188 %N A198269 Ceiling(n*sqrt(12)). %H A198269 Vincenzo Librandi, <a href="/A198269/b198269.txt">Table of n, a(n) for n = 0..10000</a> %t A198269 Ceiling[Sqrt[12]Range[0,60]] (* _Harvey P. Dale_, Aug 27 2013 *) %o A198269 (Magma) [Ceiling(n*Sqrt(12)): n in [0..60]] %Y A198269 Cf. A047345, A047355, A194028. %K A198269 nonn,easy %O A198269 0,2 %A A198269 _Vincenzo Librandi_, Oct 24 2011