Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A083207
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A083207 Numbers with subsets of their sets of divisors having equal sums as their complements. +0
4
6, 12, 20, 24, 28, 30, 40, 42, 48, 54, 56, 60, 66, 70, 78, 80, 84, 88, 90, 96, 102, 104, 108, 112, 114, 120, 126, 132, 138, 140, 150, 156, 160, 168, 174, 176, 180, 186, 192, 198, 204, 208, 210, 216, 220, 222, 224, 228, 234, 240, 246, 252, 258, 260, 264, 270, 272 (list; graph; listen)
OFFSET

1,1

COMMENT

A083206(a(n))>0; complement of A083210; subsequence of A023196; A083208(n) = A083206(a(n)).

LINKS

Reinhard Zumkeller, Illustration of initial terms

EXAMPLE

n=42: 1+3+4+6+8+16+24=2+12+48, therefore 48 is a term

(A083206(48)=5).

CROSSREFS

Cf. A083209, A083211, A000203, A005101, A000396, A005835.

Sequence in context: A101423 A087883 A105455 this_sequence A094371 A079760 A109895

Adjacent sequences: A083204 A083205 A083206 this_sequence A083208 A083209 A083210

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Apr 22 2003

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 September 6 16:04 EDT 2008. Contains 143483 sequences.


AT&T Labs Research