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!)
A327417 a(n) = A291451(2*n, n). 3
1, 1, 682, 7128576, 429120851544, 94066556834970720, 57496301859366489159040, 82247725949165261902606309120, 243263294602173417290925789755652480, 1356449073308047884259226117174893156252800, 13275987570857688650109290727617026478737341900800 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
PROG
(Sage) # uses[P from A327416]
def A327417(n): return P(3, 2*n).list()[n]//factorial(n)
print([A327417(n) for n in range(11)])
CROSSREFS
Cf. A007820 (m=1), A327416 (m=2), this sequence (m=3), A327418 (m=4).
Associated triangles: A048993 (m=1), A156289 (m=2), A291451 (m=3), A291452 (m=4).
Sequence in context: A043763 A200860 A184547 * A145321 A175155 A174105
KEYWORD
nonn
AUTHOR
Peter Luschny, Sep 14 2019
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 March 28 14:21 EDT 2024. Contains 371254 sequences. (Running on oeis4.)