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 A242766 #26 Sep 16 2022 13:04:54
%S A242766 1,1,1,2,5,11,26,71,200,602,1904,6317,21886,78911,295259,1143535,
%T A242766 4574143,18859677,80014834,348776576,1559776268,7147792818,
%U A242766 33526120082,160785623545,787685471322,3938427356614,20082117944245,104349745809073,552166953567228
%N A242766 a(n) = floor(sqrt(n!+1)).
%H A242766 Vincenzo Librandi, <a href="/A242766/b242766.txt">Table of n, a(n) for n = 0..199</a>
%H A242766 Wikipedia, <a href="https://en.wikipedia.org/wiki/Brocard%27s_problem">Brocard's problem</a>
%t A242766 Table[Floor[Sqrt[n! + 1]], {n, 0, 30}]
%o A242766 (Magma) [Floor(Sqrt(Factorial(n)+1)): n in [0..30]];
%o A242766 (PARI) a(n)={sqrtint(n!+1)} \\ _Andrew Howroyd_, Jan 17 2018
%Y A242766 Cf. A163524.
%K A242766 nonn
%O A242766 0,4
%A A242766 _Vincenzo Librandi_, May 29 2014