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 A036639 #15 Jul 08 2025 21:52:11 %S A036639 0,0,0,0,0,0,0,0,1,7,34,136,487,1608,5024,15054,43716,123861,344195, %T A036639 941542,2542583,6792588,17982215,47235074,123239673,319643026, %U A036639 824718481,2117962664,5416370537,13799074169,35034120821,88666584633,223752019933 %N A036639 Number of 5-ary rooted trees with n nodes and height exactly 8. %H A036639 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 A036639 <a href="/index/Ro#rooted">Index entries for sequences related to rooted trees</a> %K A036639 nonn,fini %O A036639 0,10 %A A036639 _N. J. A. Sloane_