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!)
A325871 a(n) = n!*ClausenNumber(n, 1)/(n + 1), Clausen numbers defined in A160014. 1
1, 1, 4, 3, 144, 40, 4320, 1260, 134400, 72576, 21772800, 6652800, 100590336000, 889574400, 34871316480, 163459296000, 627683696640000, 39520825344000, 268899695640576000, 12164510040883200, 38231317271347200000, 4644631106519040000, 6744004366665646080000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..22.

FORMULA

a(n) = A194587(n, n).

MAPLE

# Function Clausen defined in A160014.

seq(n!*Clausen(n, 1)/(n+1), n=0..27);

CROSSREFS

Cf. A160014, A194587.

Sequence in context: A299188 A300026 A266255 * A079324 A002298 A195565

Adjacent sequences:  A325868 A325869 A325870 * A325872 A325873 A325874

KEYWORD

nonn

AUTHOR

Peter Luschny, Jun 26 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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 15 23:32 EDT 2020. Contains 335774 sequences. (Running on oeis4.)