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 A212451 #15 Sep 08 2022 08:46:02
%S A212451 3,6,8,11,13,15,17,19,21,23,26,28,30,32,34,36,38,40,42,44,46,48,50,52,
%T A212451 54,56,58,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97,99,
%U A212451 101,103,105,107,109,111,113,115,117,119,121,123,125,127,129
%N A212451 Ceiling(2n + log(2n)).
%H A212451 Vincenzo Librandi, <a href="/A212451/b212451.txt">Table of n, a(n) for n = 1..1000</a>
%t A212451 Table[Ceiling[2*n + Log[2*n]], {n, 100}] (* _T. D. Noe_, May 21 2012 *)
%o A212451 (Magma) [Ceiling(2*n + Log(2*n)): n in [1..80]]; // _Vincenzo Librandi_, Feb 14 2013
%Y A212451 Cf. A000523, A062153, A102572, A212445-A212454.
%K A212451 nonn,easy
%O A212451 1,1
%A A212451 _Mohammad K. Azarian_, May 17 2012