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 A025533 #5 Apr 07 2025 13:27:47 %S A025533 1,2,5,8,32,26,151,256,664,584,5732,5176,61364,56422,52235,97280, %T A025533 1547600,1454480,26069800,24674528,23422624,22292792,489159668, %U A025533 467672704,2240027536,2149673168,6199081352,5967877576,166847658052,161060147786,4825521853483 %N A025533 a(n) = (1/C(n,0) + 1/C(n,1) + ... + 1/C(n,n))*L, where L = LCM{C(n,0), C(n,1),..., C(n,n)}. %K A025533 nonn %O A025533 0,2 %A A025533 _Clark Kimberling_