login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A015060 q-Catalan numbers (binomial version) for q=-5. 0
1, 1, 26, 16151, 252685526, 98680063948026, 963721858629894354276, 235281247773992038934697401151, 1436045713119204599875184429195350135526 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..8.

FORMULA

{1 / (n+1)_q} {2 n choose n}_q.

CROSSREFS

Sequence in context: A034244 A263222 A265877 * A015035 A336248 A209961

Adjacent sequences:  A015057 A015058 A015059 * A015061 A015062 A015063

KEYWORD

nonn,easy

AUTHOR

Olivier Gérard

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 18 13:35 EDT 2021. Contains 345112 sequences. (Running on oeis4.)