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!)
A167446 (Fibonacci(n)!!)!. 1
1, 1, 1, 2, 6, 1307674368000 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,4
COMMENTS
Next term: 2.0205002129876...*10^827
LINKS
FORMULA
a(n) = A000142(A006882(A000045(n))) . [R. J. Mathar, Nov 12 2009]
MAPLE
A000142 := proc(n) n! ; end proc ;
A006882 := proc(n) doublefactorial(n) ; end proc:
A000045 := proc(n) combinat[fibonacci](n) ; end proc:
A167446 := proc(n) A000142(A006882(A000045(n))) ; end proc: seq(A167446(n), n=0..5) ; # R. J. Mathar, Nov 12 2009
MATHEMATICA
Array[Fibonacci[ # ]!!!&, 6]
CROSSREFS
Sequence in context: A206034 A299376 A364750 * A100378 A020819 A111953
KEYWORD
nonn
AUTHOR
EXTENSIONS
Added parentheses in the definition - R. J. Mathar, Nov 12 2009
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 29 04:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)