|
| |
| |
|
|
|
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: A179135 A100033 A184554 * A009071 A093531 A129505
Adjacent sequences: A046029 A046030 A046031 * A046033 A046034 A046035
|
|
|
KEYWORD
|
nonn,easy
|
|
|
AUTHOR
|
Eric W. Weisstein
|
|
|
STATUS
|
approved
|
| |
|
|
