Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A008478
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A008478 n = product p_j^k_j = product k_j^p_j. +0
3
1, 4, 16, 27, 72, 108, 432, 800, 3125, 6272, 12500, 21600, 30375, 50000, 84375, 121500, 169344, 225000, 247808, 337500, 486000, 750141, 823543, 1350000, 1384448, 3000564, 3294172, 6690816, 12002256, 13176688, 19600000, 22235661, 37380096 (list; graph; listen)
OFFSET

1,2

PROGRAM

(PARI) for(n=2, 10^8, if(n==prod(i=1, omega(n), component(component(factor(n), 2), i)^component(component(factor(n), 1), i)), print1(n, ", ")))

CROSSREFS

Cf. A008477.

Sequence in context: A097764 A072873 A072653 this_sequence A111260 A067688 A046358

Adjacent sequences: A008475 A008476 A008477 this_sequence A008479 A008480 A008481

KEYWORD

nonn

AUTHOR

Olivier Gerard (olivier.gerard(AT)gmail.com)

EXTENSIONS

More terms from David W. Wilson (davidwwilson(AT)comcast.net)

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 4 14:15 EST 2008. Contains 151279 sequences.


AT&T Labs Research