The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A291889 Number of symmetrically unique Dyck paths of semilength n and height five. 2

%I #7 Sep 09 2017 12:44:41

%S 1,5,29,127,540,2117,8063,29688,107237,380549,1333709,4624308,

%T 15899625,54278502,184209808,622029353,2091461574,7006165827,

%U 23394683289,77899483723,258750654760,857596024194,2836911700038,9368339478043,30889646001696,101710568454396

%N Number of symmetrically unique Dyck paths of semilength n and height five.

%H Alois P. Heinz, <a href="/A291889/b291889.txt">Table of n, a(n) for n = 5..1000</a>

%H <a href="/index/Rec#order_10">Index entries for linear recurrences with constant coefficients</a>, signature (10, -33, 20, 113, -234, 66, 224, -240, 84, -9).

%F G.f.: -x^5*(18*x^3-14*x^4+3*x^5-12*x^2+5*x-1) / ((x-1) *(3*x-1) *(3*x^2-1) *(x^3-2*x^2-x+1) *(x^3-6*x^2+5*x-1)).

%Y Column k=5 of A291883.

%K nonn,easy

%O 5,2

%A _Alois P. Heinz_, Sep 05 2017

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 24 23:50 EDT 2024. Contains 372782 sequences. (Running on oeis4.)