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 A014513 #13 Sep 20 2019 21:06:03 %S A014513 3,0,1,2,8,35,184,1155,8376,69106,639232,6552134,73711509,902965985, %T A014513 11964299312,170491265198,2599991794272,42249866656927, %U A014513 728810199831991,13300786146933842,256040133328476465 %N A014513 a(n) = floor( Gamma(n+1/4) ). %D A014513 M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards Applied Math. Series 55, Tenth Printing, 1972, p. 255. %H A014513 Amiram Eldar, <a href="/A014513/b014513.txt">Table of n, a(n) for n = 0..450</a> %H A014513 M. Abramowitz and I. A. Stegun, eds., <a href="http://www.convertit.com/Go/ConvertIt/Reference/AMS55.ASP">Handbook of Mathematical Functions</a>, National Bureau of Standards, Applied Math. Series 55, Tenth Printing, 1972 [alternative scanned copy]. %H A014513 M. Abramowitz and I. A. Stegun, eds., <a href="http://www.convertit.com/Go/ConvertIt/Reference/AMS55.ASP">Handbook of Mathematical Functions</a>, National Bureau of Standards Applied Math. Series 55, Tenth Printing, 1972, p. 255. %p A014513 seq(floor(evalf(GAMMA(n+1/4),100)), n=0..24); %t A014513 a[n_] := Floor[Gamma[n + 1/4]]; Array[a, 21, 0] (* _Amiram Eldar_, Sep 20 2019 *) %Y A014513 Cf. A014510, A014511, A014512, A014514, A014516, A014517, A014518, A014521, A014522. %K A014513 nonn %O A014513 0,1 %A A014513 _Simon Plouffe_