login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A068857 a(1) = 0 = 0*2; a(n) = smallest multiple of a(n-1) which is of the form 2k*(2k+2). 2
0, 8, 24, 48, 288, 16128, 11950848, 4636929024, 41732361216, 375591250944, 3380321258496, 30422891326464, 273806021938176, 2464254197443584, 22178287776992256, 199604589992930304, 399209179985860608 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..16.

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: A146980 A319576 A028612 * A064225 A304844 A054275

Adjacent sequences:  A068854 A068855 A068856 * A068858 A068859 A068860

KEYWORD

nonn

AUTHOR

Amarnath Murthy, Mar 12 2002

EXTENSIONS

More terms from Sascha Kurz, Mar 23 2002

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 14 16:49 EST 2018. Contains 317210 sequences. (Running on oeis4.)