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%I #15 Dec 19 2020 11:28:45
%S 1,1,1,2,3,6,11,23,46,98,206,441,928,1951,4046,8349,17062,34703,70112,
%T 141071,282420,563333,1119020,2215310,4369699,8591513,16836216,
%U 32891454,64057841,124388194,240827283,464938673,895070853,1718386387
%N Number of binary rooted trees with n nodes and height at most 9.
%H Alois P. Heinz, <a href="/A036592/b036592.txt">Table of n, a(n) for n = 0..511</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 0,4
%A _N. J. A. Sloane_.
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