login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A100043 a(n) = (3*n-1)!. 0
2, 120, 40320, 39916800, 87178291200, 355687428096000, 2432902008176640000, 25852016738884976640000, 403291461126605635584000000, 8841761993739701954543616000000, 263130836933693530167218012160000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..11.

MAPLE

seq( (3*n-1)!, n=1..13);

PROG

(Sage) [stirling_number1(3*n, 1) for n in xrange(1, 22)] # Zerinvary Lajos, Nov 26 2009

CROSSREFS

Sequence in context: A272180 A187880 A024343 * A181760 A290247 A100012

Adjacent sequences:  A100040 A100041 A100042 * A100044 A100045 A100046

KEYWORD

nonn

AUTHOR

Jorge Coveiro, Dec 26 2004

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 October 17 14:47 EDT 2019. Contains 328114 sequences. (Running on oeis4.)