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
1, 5, 29, 127, 540, 2117, 8063, 29688, 107237, 380549, 1333709, 4624308, 15899625, 54278502, 184209808, 622029353, 2091461574, 7006165827, 23394683289, 77899483723, 258750654760, 857596024194, 2836911700038, 9368339478043, 30889646001696, 101710568454396 (list; graph; refs; listen; history; text; internal format)
OFFSET
5,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (10, -33, 20, 113, -234, 66, 224, -240, 84, -9).
FORMULA
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)).
CROSSREFS
Column k=5 of A291883.
Sequence in context: A327133 A267921 A241676 * A217325 A034332 A273027
KEYWORD
nonn,easy
AUTHOR
Alois P. Heinz, Sep 05 2017
STATUS
approved

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 April 16 10:08 EDT 2024. Contains 371698 sequences. (Running on oeis4.)