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 A086587 #5 May 18 2024 14:46:54 %S A086587 1,1,1,2,10,90,1260,167580,10345048560,210224307704851440, %T A086587 142378995493242911206243440,4409130655192711420325660927780160, %U A086587 308972448405145190275995459920449062174478109373358971999360 %N A086587 Least common multiple of cycle sizes in range [A014137(n-1)..A014138(n-1)] of permutations A085169/A085170. %K A086587 nonn,more %O A086587 0,4 %A A086587 _Antti Karttunen_, Jun 23 2003