Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A105560
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A105560 a(n) = A000040(A001222(n)). +0
1
2, 2, 3, 2, 3, 2, 5, 3, 3, 2, 5, 2, 3, 3, 7, 2, 5, 2, 5, 3, 3, 2, 7, 3, 3, 5, 5, 2, 5, 2, 11, 3, 3, 3, 7, 2, 3, 3, 7, 2, 5, 2, 5, 5, 3, 2, 11, 3, 5, 3, 5, 2, 7, 3, 7, 3, 3, 2, 7, 2, 3, 5, 13, 3, 5, 2, 5, 3, 5, 2, 11, 2, 3, 5, 5, 3, 5, 2, 11, 7, 3, 2, 7, 3, 3, 3, 7, 2, 7, 3, 5, 3, 3, 3, 13, 2, 5, 5, 7 (list; graph; listen)
OFFSET

2,1

MATHEMATICA

Table[Prime[Sum[FactorInteger[n][[i, 2]], {i, 1, Length[FactorInteger[n]]}]], {n, 2, 40}] - Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), May 16 2007

PROGRAM

(PARI) d(n) = for(x=2, n, print1(prime(bigomega(x))", "))

CROSSREFS

Sequence in context: A054714 A060324 A046216 this_sequence A165916 A096013 A072380

Adjacent sequences: A105557 A105558 A105559 this_sequence A105561 A105562 A105563

KEYWORD

easy,nonn,less

AUTHOR

Cino Hilliard (hillcino368(AT)gmail.com), May 03 2005

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 December 5 20:25 EST 2009. Contains 170428 sequences.


AT&T Labs Research