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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A104361 Number of divisors of A104350(n) - 1. 3
1, 2, 2, 2, 2, 2, 4, 2, 2, 2, 4, 4, 4, 4, 2, 4, 8, 8, 2, 8, 8, 8, 2, 4, 16, 16, 4, 4, 32, 16, 4, 8, 4, 8, 2, 8, 16, 8, 32, 8, 16, 16, 32, 2, 8, 16, 4, 4, 4 (list; graph; refs; listen; history; internal format)
OFFSET

2,2

COMMENTS

a(n) = A000005(A104357(n)).

LINKS

R. Zumkeller, Products of largest prime factors of numbers <= n

CROSSREFS

Cf. A104362, A104369, A064145.

Sequence in context: A083533 A076500 A060594 * A086876 A066691 A164296

Adjacent sequences:  A104358 A104359 A104360 * A104362 A104363 A104364

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Mar 06 2005

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 16 02:51 EST 2012. Contains 205860 sequences.