Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A160921
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A160921 Numbers n such that n / (A000005(n)*(A000005(n)+1)/2) is an integer. +0
1
1, 3, 10, 63, 147, 156, 225, 234, 408, 600, 680, 684, 952, 1014, 1496, 1500, 1768, 2176, 2584, 3128, 3944, 4216, 4224, 4275, 5032, 5576, 5848, 5880, 6392, 6660, 6875, 7208, 8024, 8296, 8379, 9112, 9324, 9656, 9840, 9928 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Cf. A000005, A033950

Sequence in context: A013565 A156075 A034889 this_sequence A042705 A041014 A009400

Adjacent sequences: A160918 A160919 A160920 this_sequence A160922 A160923 A160924

KEYWORD

easy,nonn

AUTHOR

Ctibor O. Zizka (c.zizka(AT)email.cz), May 30 2009

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 23 17:09 EST 2009. Contains 167438 sequences.


AT&T Labs Research