%I #13 Dec 23 2020 04:36:04
%S 1,1,1,2,4,9,20,48,114,282,701,1763,4438,11212,28287,71357,179696,
%T 451946,1134720,2844954,7122041,17805884,44459523,110882964,276241029,
%U 687501846,1709406423,4246490811,10540185493,26140852721,64782959403
%N Number of 6-ary rooted trees with n nodes and height at most 8.
%H 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 <a href="/index/Ro#rooted">Index entries for sequences related to rooted trees</a>
%K nonn,fini
%O 0,4
%A _N. J. A. Sloane_.