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 A245150 #4 Jul 12 2014 17:37:04 %S A245150 1,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,3,3,5,5,7,7,9,9,11,11,17,18, %T A245150 25,30,38,44,56,63,76,87,110,126,159,188,237,280,348,410,503,588,726, %U A245150 854,1050,1248,1534,1837,2251,2694,3282,3921,4784,5717,6955 %N A245150 Number of n-node unlabeled rooted trees with thickening limbs and root outdegree (branching factor) 10. %H A245150 Alois P. Heinz, <a href="/A245150/b245150.txt">Table of n, a(n) for n = 11..150</a> %Y A245150 Column k=10 of A245151. %K A245150 nonn %O A245150 11,21 %A A245150 _Alois P. Heinz_, Jul 12 2014