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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A046032 (n!)^2-1. 2
0, 3, 35, 575, 14399, 518399, 25401599, 1625702399, 131681894399, 13168189439999, 1593350922239999, 229442532802559999, 38775788043632639999, 7600054456551997439999 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..100

Eric Weisstein's World of Mathematics, Factorial

MATHEMATICA

Table[(n!)^2-1, {n, 30}] (* Vladimir Joseph Stephan Orlovsky, May 19 2011 *)

PROG

(PARI) a(n)=n!^2-1 \\ Charles R Greathouse IV, Sep 19 2012

(MAGMA) [Factorial(n)^2-1: n in [1..15]]; // Vincenzo Librandi, Jun 03 2013

CROSSREFS

Cf. A001044.

Sequence in context: A100033 A259557 A184554 * A304191 A009071 A093531

Adjacent sequences:  A046029 A046030 A046031 * A046033 A046034 A046035

KEYWORD

nonn,easy

AUTHOR

Eric W. Weisstein

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 18 08:00 EDT 2019. Contains 328146 sequences. (Running on oeis4.)