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 A055346 #7 Mar 30 2012 17:37:11 %S A055346 1,8,80,524,2696,11398,41674,135315,398912,1083702,2746382,6552828, %T A055346 14833263,32050976,66448542,132748327,256487544,480786785,876729065, %U A055346 1558922942,2708486023,4606366231,7681025200,12575626106,20241643485 %N A055346 Number of mobiles (circular rooted trees) with n nodes and 8 leaves. %H A055346 <a href="/index/Mo#mobiles">Index entries for sequences related to mobiles</a> %Y A055346 Column 8 of A055340. %K A055346 nonn %O A055346 9,2 %A A055346 _Christian G. Bower_, May 14 2000