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Number of n-node rooted trees of height 9.
2

%I #10 Apr 03 2017 04:21:58

%S 0,0,0,0,0,0,0,0,0,1,9,53,251,1043,3961,14102,47816,156129,494769,

%T 1530583,4642490,13853571,40779959,118666510,341938083,977028128,

%U 2771407719,7811504825,21895173627,61069528116,169590519864,469117076770

%N Number of n-node rooted trees of height 9.

%H N. J. A. Sloane, <a href="/A126085/b126085.txt">Table of n, a(n) for n=1..200</a>

%H J. Riordan, <a href="http://dx.doi.org/10.1147/rd.45.0473">Enumeration of trees by height and diameter</a>, IBM J. Res. Dev. 4 (1960), 473-478.

%H <a href="/index/Ro#rooted">Index entries for sequences related to rooted trees</a>

%H <a href="/index/Tra#trees">Index entries for sequences related to trees</a>

%p For Maple program see link in A000235.

%Y Column h=9 of A034781.

%K nonn

%O 1,11

%A _N. J. A. Sloane_, Mar 02 2007