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A036620 Number of 5-ary rooted trees with n nodes and height at most 9. 0

%I #14 Dec 21 2020 03:17:56

%S 1,1,1,2,4,9,20,47,112,277,692,1756,4483,11525,29688,76620,197745,

%T 510234,1315348,3387687,8715037,22395482,57487071,147411172,377624359,

%U 966473181,2471400115,6314595259,16121970455,41132128662,104870142461

%N Number of 5-ary rooted trees with n nodes and height at most 9.

%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 0,4

%A _N. J. A. Sloane_.

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Last modified May 23 11:57 EDT 2024. Contains 372763 sequences. (Running on oeis4.)