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 A212452 #15 Sep 08 2022 08:46:02 %S A212452 5,8,12,15,18,21,25,28,31,34,37,40,43,46,49,52,55,58,62,65,68,71,74, %T A212452 77,80,83,86,89,92,95,98,101,104,107,110,113,116,119,122,125,128,131, %U A212452 134,137,140,143,146,149,152,156,159,162,165,168,171,174,177,180 %N A212452 Ceiling(3n + log(3n)). %H A212452 Vincenzo Librandi, <a href="/A212452/b212452.txt">Table of n, a(n) for n = 1..1000</a> %t A212452 Table[Ceiling[3*n + Log[3*n]], {n, 100}] (* _T. D. Noe_, May 21 2012 *) %o A212452 (Magma) [Ceiling(3*n + Log(3*n)): n in [1..80]]; // _Vincenzo Librandi_, Feb 14 2013 %Y A212452 Cf. A000523, A062153, A102572, A212445-A212454. %K A212452 nonn,easy %O A212452 1,1 %A A212452 _Mohammad K. Azarian_, May 17 2012