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 A036638 #15 Jul 08 2025 21:52:04 %S A036638 0,0,0,0,0,0,0,1,6,26,94,308,935,2703,7524,20375,53969,140527,360733, %T A036638 915299,2299430,5728098,14164216,34799522,85007869,206595478, %U A036638 499774485,1203951992,2889243181,6909371375,16469937376,39142669201,92769809724 %N A036638 Number of 5-ary rooted trees with n nodes and height exactly 7. %H A036638 E. M. Rains and N. J. A. Sloane, <a href="https://cs.uwaterloo.ca/journals/JIS/cayley.html">On Cayley's Enumeration of Alkanes (or 4-Valent Trees)</a>, J. Integer Sequences, Vol. 2 (1999), Article 99.1.1. %H A036638 <a href="/index/Ro#rooted">Index entries for sequences related to rooted trees</a> %K A036638 nonn,fini %O A036638 0,9 %A A036638 _N. J. A. Sloane_