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 A227812 #4 Jul 31 2013 17:06:02 %S A227812 1,18,93,431,1664,5982,20059,64473,199450,600429,1765198,5093281, %T A227812 14461282,40514663,112199665,307665178,836401955,2256766751, %U A227812 6048944297,16118777953,42729253427,112746836489,296263589093,775585850534,2023567436543,5263578982246 %N A227812 Number of rooted identity trees with n nodes and exactly 8 subtrees from the root. %H A227812 Alois P. Heinz, <a href="/A227812/b227812.txt">Table of n, a(n) for n = 30..800</a> %Y A227812 Column k=8 of A227774. %K A227812 nonn %O A227812 30,2 %A A227812 _Alois P. Heinz_, Jul 31 2013