%I #16 Dec 24 2020 02:32:23
%S 0,0,0,0,0,0,1,5,19,61,175,469,1199,2961,7121,16784,38880,88832,
%T 200494,447897,991350,2176646,4744087,10272514,22109412,47325774,
%U 100786897,213634174,450844166,947545289,1983774852,4138099947
%N Number of 4-ary rooted trees with n nodes and height exactly 6.
%H Sean A. Irvine, <a href="/A036630/b036630.txt">Table of n, a(n) for n = 0..1364</a>
%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,full
%O 0,8
%A _N. J. A. Sloane_.