Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A127610
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A127610 Floor(( (n+1)/2 )^n)-n!. +0
1
0, 0, 0, 2, 15, 123, 1118, 11344, 127831, 1590245, 21700716, 322880256, 5209007463, 90661989607, 1694616510154, 33876697720832, 721588072472639, 16321494271570569, 390811944752490542, 9878354899591168000, 262896868506265373394, 7349159002086450661211 (list; graph; listen)
OFFSET

0,4

COMMENT

Theorem (Cauchy): ((n+1)/2)^n > n! for n >= 2.

REFERENCES

D. S. Mitrinovic, Analytic Inequalities, Springer-Verlag, 1970; p. 192, 3.1.14.

CROSSREFS

Cf. A127426.

Sequence in context: A161937 A074621 A052448 this_sequence A085228 A055866 A051407

Adjacent sequences: A127607 A127608 A127609 this_sequence A127611 A127612 A127613

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Apr 03 2007

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


AT&T Labs Research