|
|
A127429
|
|
2^(n*(n-1)/2) - n!.
|
|
0
|
|
|
0, 0, 0, 2, 40, 904, 32048, 2092112, 268395136, 68719113856, 35184368460032, 36028796979047168, 73786976294359204864, 302231454903651066655744, 2475880078570760462619957248, 40564819207303340846586828204032, 1329227995784915872903786137490456576
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,4
|
|
COMMENTS
|
Theorem: 2^(n*(n-1)/2) > n! for n > 2.
|
|
REFERENCES
|
D. S. Mitrinovic, Analytic Inequalities, Springer-Verlag, 1970; p. 193, 3.1.19.
|
|
LINKS
|
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|