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 A316104 #5 Jun 24 2018 18:56:20 %S A316104 0,1,1,1,5,15,55,210,826,3306,13511,55922,234344,991701,4233301, %T A316104 18204973,78803016,343074124,1501253960,6599380039,29129716885, %U A316104 129056936567,573707565933,2558203198595,11439372705501,51285319846823,230473042074581,1038019965961144 %N A316104 Sequence shifts left when Weigh transform is applied four times with a(n) = n for n<2. %H A316104 Alois P. Heinz, <a href="/A316104/b316104.txt">Table of n, a(n) for n = 0..1000</a> %Y A316104 Column k=4 of A316101. %Y A316104 Cf. A144036. %K A316104 nonn,eigen %O A316104 0,5 %A A316104 _Alois P. Heinz_, Jun 24 2018