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 A160610 #12 Sep 08 2022 08:45:45
%S A160610 1,1,2,3,8,12,144,56,8064,36288,48384,798336,19160064,41513472,
%T A160610 3487131648,5230697472,6199345152,1422749712384,51218989645824,
%U A160610 162193467211776,3892643213082624,3144057979797504,599467054814724096
%N A160610 Denominator of Laguerre(n, -5).
%H A160610 G. C. Greubel, <a href="/A160610/b160610.txt">Table of n, a(n) for n = 0..480</a>
%t A160610 Denominator[Table[LaguerreL[n, -5], {n, 0, 50}]] (* _G. C. Greubel_, May 09 2018 *)
%o A160610 (PARI) for(n=0,30, print1(denominator(sum(k=0,n, binomial(n,k)*(5^k/k!))), ", ")) \\ _G. C. Greubel_, May 09 2018
%o A160610 (PARI) a(n) = denominator(pollaguerre(n, 0, -5)); \\ _Michel Marcus_, Feb 05 2021
%o A160610 (Magma) [Denominator((&+[Binomial(n,k)*(5^k/Factorial(k)): k in [0..n]])): n in [0..30]]; // _G. C. Greubel_, May 09 2018
%Y A160610 For numerators see A160609.
%Y A160610 Cf. A289211.
%K A160610 nonn,frac
%O A160610 0,3
%A A160610 _N. J. A. Sloane_, Nov 14 2009