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A287969 Number of Dyck paths of semilength n such that no level has more than five peaks. 2

%I #6 Jun 03 2017 19:10:17

%S 1,1,2,5,14,42,131,427,1413,4784,16416,57042,200151,708109,2522559,

%T 9039042,32550884,117725760,427372532,1556523664,5685148711,

%U 20816785068,76390832952,280874946775,1034505345468,3816077176898,14095932284899,52131389039054

%N Number of Dyck paths of semilength n such that no level has more than five peaks.

%H Alois P. Heinz, <a href="/A287969/b287969.txt">Table of n, a(n) for n = 0..1000</a>

%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Lattice_path#Counting_lattice_paths">Counting lattice paths</a>

%F a(n) = A287847(n,5).

%F a(n) = A000108(n) for n <= 5.

%Y Column k=5 of A287847.

%Y Cf. A000108.

%K nonn

%O 0,3

%A _Alois P. Heinz_, Jun 03 2017

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Last modified April 24 04:14 EDT 2024. Contains 371918 sequences. (Running on oeis4.)