Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A051278
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A051278 n=k/d(k) has a unique solution, where d(k) = number of divisors of k. +0
8
4, 6, 9, 10, 12, 14, 15, 20, 21, 22, 26, 32, 33, 34, 35, 36, 38, 39, 42, 46, 50, 51, 55, 57, 58, 60, 62, 65, 66, 69, 70, 74, 75, 77, 78, 82, 85, 86, 87, 90, 91, 93, 94, 95, 96, 98, 100, 102, 106, 108, 110, 111, 114, 115, 118, 119, 122, 123, 126, 128 (list; graph; listen)
OFFSET

1,1

LINKS

T. D. Noe, Table of n, a(n) for n=1..1000

EXAMPLE

It appears that 36 is the unique number k with k/d(k)=4.

CROSSREFS

Cf. A033950, A036763, A051279, A051280, A051346.

Sequence in context: A010404 A010447 A112082 this_sequence A120329 A123249 A010428

Adjacent sequences: A051275 A051276 A051277 this_sequence A051279 A051280 A051281

KEYWORD

nonn,easy,nice

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), R. K. Guy

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 7 23:50 EST 2009. Contains 170430 sequences.


AT&T Labs Research