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 A212446 #19 Sep 08 2022 08:46:02 %S A212446 2,5,7,10,12,14,16,18,20,22,25,27,29,31,33,35,37,39,41,43,45,47,49,51, %T A212446 53,55,57,60,62,64,66,68,70,72,74,76,78,80,82,84,86,88,90,92,94,96,98, %U A212446 100,102,104,106,108,110,112,114,116,118,120,122,124,126,128 %N A212446 Floor(2n + log(2n)). %H A212446 Vincenzo Librandi, <a href="/A212446/b212446.txt">Table of n, a(n) for n = 1..1000</a> %t A212446 Table[Floor[2*n + Log[2*n]], {n, 100}] (* _T. D. Noe_, May 21 2012 *) %o A212446 (Magma) [Floor(2*n + Log(2*n)): n in [1..80]]; // _Vincenzo Librandi_, Feb 15 2013 %o A212446 (PARI) a(n)=2*n+log(2*n)\1 \\ _Charles R Greathouse IV_, Sep 04 2015 %Y A212446 Cf. A000523, A062153, A102572, A212445, A212447, A212448, A212449, A212450, A212451, A212452, A212453, A212454. %K A212446 nonn,easy %O A212446 1,1 %A A212446 _Mohammad K. Azarian_, May 17 2012