Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A113851
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A113851 Numbers whose prime factors are raised to the sixth power. +0
1
64, 729, 15625, 46656, 117649, 1000000, 1771561, 4826809, 7529536, 11390625, 24137569, 47045881, 85766121, 113379904, 148035889, 308915776, 594823321, 729000000, 887503681, 1291467969, 1544804416, 1838265625, 2565726409 (list; graph; listen)
OFFSET

4,1

MATHEMATICA

Select[ Range@37^6, Union[Last /@ FactorInteger@# ] == {6} &] (* Robert G. Wilson v *)

PROGRAM

(PARI) allpwrfact(n, p) = \All prime factors are raised to the power p { local(x, j, ln, y, flag); for(x=4, n, y=Vec(factor(x)); ln = length(y[1]); flag=0; for(j=1, ln, if(y[2][j]==p, flag++); ); if(flag==ln, print1(x", ")); ) }

CROSSREFS

Proper subset of A001014.

Sequence in context: A001014 A050753 A074154 this_sequence A046455 A092758 A030516

Adjacent sequences: A113848 A113849 A113850 this_sequence A113852 A113853 A113854

KEYWORD

easy,nonn,fini

AUTHOR

Cino Hilliard (hillcino368(AT)gmail.com), Jan 25 2006

EXTENSIONS

More terms from Robert G. Wilson v (rgwv(at)rgwv.com), Jan 26 2006

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 November 18 20:14 EST 2008. Contains 147244 sequences.


AT&T Labs Research