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A243775 Number of Dyck paths of semilength n having exactly six (possibly overlapping) occurrences of the consecutive step pattern given by the binary expansion of n, where 1=U=(1,1) and 0=D=(1,-1). 3

%I #6 Jun 11 2014 22:13:37

%S 64,0,1,1,0,58310,0,0,169352,82494,40040,163083704,140035157,306726,

%T 178134488,7368664408,6899287752,86343111918,221762412480,89389210680,

%U 45967495392,229706136771072,18828656,987116153856,88775675895264,303516229481536,10355664669739531

%N Number of Dyck paths of semilength n having exactly six (possibly overlapping) occurrences of the consecutive step pattern given by the binary expansion of n, where 1=U=(1,1) and 0=D=(1,-1).

%H Alois P. Heinz, <a href="/A243775/b243775.txt">Table of n, a(n) for n = 10..200</a>

%e a(12) = 1: UUDDUUDDUUDDUUDDUUDDUUDD.

%e a(13) = 1: UUDUUDUUDUUDUUDUUDUDDDDDDD.

%Y Column k=6 of A243752.

%Y Main diagonal of A243832.

%K nonn

%O 10,1

%A _Alois P. Heinz_, Jun 10 2014

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Last modified September 5 05:06 EDT 2024. Contains 375686 sequences. (Running on oeis4.)