Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A154760
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A154760 Final digit of n!! (A006882). +0
1
1, 1, 2, 3, 8, 5, 8, 5, 4, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0, 5, 0 (list; graph; listen)
OFFSET

0,3

COMMENT

For n>8: a(n)=0 if n is even, a(n)=5 if n is odd. [From Dmitry Kamenetsky (dkamen(AT)rsise.anu.edu.au), Jan 17 2009]

EXAMPLE

The final digit of n! is 1,2,6,4,0,0,0,0,0,0,0,0,0,...

CROSSREFS

Sequence in context: A100782 A110340 A089489 this_sequence A114340 A126102 A011433

Adjacent sequences: A154757 A154758 A154759 this_sequence A154761 A154762 A154763

KEYWORD

nonn,base

AUTHOR

Kousaka Hideaki (kousaka(AT)d6.dion.ne.jp), Jan 15 2009

EXTENSIONS

Offset corrected, more terms added. - R. J. Mathar, Jan 18 2009

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 14:50 EST 2009. Contains 167570 sequences.


AT&T Labs Research