Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A068857
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A068857 a(1) = 0 = 0*2; a(n) = smallest multiple of a(n-1) which is of the form 2k*(2k+2). +0
3
0, 8, 24, 48, 288, 16128, 11950848, 4636929024, 41732361216, 375591250944, 3380321258496, 30422891326464, 273806021938176, 2464254197443584, 22178287776992256, 199604589992930304, 399209179985860608 (list; graph; listen)
OFFSET

0,2

EXAMPLE

24 = 4*6 is a member and the smallest multiple of 24 which is of the form 2k(2k+2) is 48 = 6*8.

CROSSREFS

Sequence in context: A033996 A146980 A028612 this_sequence A064225 A054275 A122655

Adjacent sequences: A068854 A068855 A068856 this_sequence A068858 A068859 A068860

KEYWORD

nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Mar 12 2002

EXTENSIONS

More terms from Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Mar 23 2002

page 1

Search completed in 0.005 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 25 20:09 EST 2009. Contains 167514 sequences.


AT&T Labs Research