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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A020647 Least positive integer k for which 8^n divides k!. 1
1, 4, 8, 12, 16, 16, 20, 24, 28, 32, 32, 36, 40, 42, 46, 48, 52, 56, 58, 62, 64, 64, 68, 72, 76, 80, 80, 84, 88, 92, 96, 96, 100, 104, 106, 110, 112, 116, 120, 122, 126, 128, 128, 132, 136, 138, 142, 144, 148, 152, 154, 158, 160, 162, 166, 168, 172, 176, 178, 182, 184, 188 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

LINKS

T. D. Noe, Table of n, a(n) for n=0..1000

CROSSREFS

Sequence in context: A190687 A155090 A081747 * A196032 A130702 A053806

Adjacent sequences:  A020644 A020645 A020646 * A020648 A020649 A020650

KEYWORD

nonn

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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

Content is available under The OEIS End-User License Agreement .

Last modified February 15 09:09 EST 2012. Contains 205746 sequences.