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 A124347 #4 Jul 31 2013 17:59:45 %S A124347 1,2,9,52,425,4266,52507,754944,12499209,233296030,4852006181, %T A124347 111149993736,2781312439633,75460291482772,2206445155886805, %U A124347 69163853027437216,2313709581153992033,82271226298253976054 %N A124347 Number of labeled rooted trees on n nodes with thinning limbs. %C A124347 A rooted tree with thinning limbs is such that if a node has k children, all its children have at most k children. %Y A124347 Cf. A000169, A124343-A124348. %K A124347 nonn %O A124347 1,2 %A A124347 _Christian G. Bower_, Oct 30 2006, suggested by _Franklin T. Adams-Watters_