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%I #17 Dec 21 2020 03:17:50
%S 1,1,1,2,4,9,19,42,88,188,393,821,1692,3483,7101,14436,29162,58703,
%T 117577,234695,466493,924149,1824100,3588957,7038072,13760324,
%U 26821365,52130255,101033183,195279030,376427128,723731809,1387917803,2655019934
%N Number of 6-ary rooted trees with n nodes and height at most 5.
%H Sean A. Irvine, <a href="/A036622/b036622.txt">Table of n, a(n) for n = 0..1554</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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