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 A036427 #10 Mar 30 2012 16:47:39 %S A036427 0,0,0,0,0,0,0,0,0,0,0,0,1,11,76,403,1817,7309,27079,94252,312620, %T A036427 998058,3090168,9331500,27604348,80270182,230077622,651469482, %U A036427 1825536305,5069886635,13971416287,38242837777,104061066617,281680779030,758947045088 %N A036427 Number of ternary rooted trees with n nodes and height exactly 12. %H A036427 <a href="/index/Ro#rooted">Index entries for sequences related to rooted trees</a> %Y A036427 Cf. A036370, A036437. %K A036427 nonn,fini %O A036427 0,14 %A A036427 _N. J. A. Sloane_, Eric Rains (rains(AT)caltech.edu)