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 A086591 #5 May 18 2024 18:36:15 %S A086591 1,1,1,1,2,6,24,2520,18378360,6906955255200, %T A086591 5987137029832314231356979603166508647200, %U A086591 1000156941827668764767034398758639477404906113721462819980559968765060862592344000 %N A086591 Least common multiple of cycle sizes in range [A014137(n-1)..A014138(n-1)] of permutations A072088/A072089. %K A086591 nonn %O A086591 0,5 %A A086591 _Antti Karttunen_, Jun 23 2003