Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A048013
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A048013 Number of nonempty subsets of {1,2,...,n} in which exactly 4/5 of the elements are <= (n-1)/3. +0
1
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 10, 11, 55, 60, 65, 195, 210, 225, 525, 560, 595, 1326, 1413, 1501, 3933, 4230, 4536, 13860, 15015, 16215, 49335, 53460, 57750, 163175, 176345, 190035, 509067, 549094, 590759, 1580761, 1705795 (list; graph; listen)
page 1

Search completed in 0.001 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 20 00:58 EST 2009. Contains 171054 sequences.


AT&T Labs Research