%I #13 Dec 24 2020 02:32:15
%S 0,0,0,0,0,0,0,0,1,7,34,136,480,1560,4784,14056,39992,111001,302110,
%T 809398,2140595,5600396,14518475,37342551,95390479,242204920,
%U 611682570,1537362741,3847104992,9588937190,23813932170,58944367746,145449940440
%N Number of 4-ary rooted trees with n nodes and height exactly 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 0,10
%A _N. J. A. Sloane_.