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 A030977 #10 Sep 25 2021 11:27:52 %S A030977 1,2,8,33,167,1004,7033,56271,506439,5064398,55708382,668500584, %T A030977 8690507599,121667106396,1825006595947,29200105535158,496401794097692, %U A030977 8935232293758467,169769413581410888,3395388271628217765 %N A030977 a(n) = floor(exp(1/3)*n!). %H A030977 Jinyuan Wang, <a href="/A030977/b030977.txt">Table of n, a(n) for n = 1..449</a> %t A030977 Floor[Exp[1/3]Range[20]!] (* _Harvey P. Dale_, Sep 23 2021 *) %K A030977 nonn,easy %O A030977 1,2 %A A030977 _Simon Plouffe_