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A036607 Triangle of coefficients of generating function of 5-ary rooted trees of height at most n. 0

%I #12 Dec 20 2020 03:36:00

%S 1,1,1,1,1,1,1,1,1,1,1,1,1,2,3,5,7,10,12,16,19,23,25,29,30,32,32,32,

%T 30,29,25,23,19,16,12,10,7,5,3,2,1,1,1,1,1,2,4,8,15,28,50,89,155,267,

%U 451,757,1251,2048,3316,5315,8433,13256,20641,31847,48704,73817

%N Triangle of coefficients of generating function of 5-ary rooted trees of height at most n.

%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>

%e Triangle begins:

%e 1;

%e 1,1;

%e 1,1,1,1,1,1,1;

%e 1,1,1,2,...

%K nonn,tabf,easy

%O 0,14

%A _N. J. A. Sloane_.

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Last modified March 29 05:28 EDT 2024. Contains 371264 sequences. (Running on oeis4.)