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 A124345 #4 Jul 31 2013 18:01:47 %S A124345 1,1,2,3,6,10,24,47,113,258,624,1492,3694,9090,22753,57111,144541, %T A124345 367243,938449,2406720,6198045,16013447,41507254,107887092,281170859, %U A124345 734518306,1923119062,5045423169,13262334340,34923020733,92113656841 %N A124345 Number of mobiles (circular rooted trees) on n nodes with thinning limbs. %C A124345 A rooted tree with thinning limbs is such that if a node has k children, all its children have at most k children. %Y A124345 Cf. A032200, A124343-A124348. %K A124345 nonn %O A124345 1,3 %A A124345 _Christian G. Bower_, Oct 30 2006, suggested by _Franklin T. Adams-Watters_