login
This site is supported by donations to The OEIS Foundation.

 

Logo

Annual appeal: Please make a donation to keep the OEIS running! Over 6000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".
Other ways to donate

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A030244 Number of connected nonisomorphic relations with no symmetry. 0
1, 2, 5, 60, 2329, 263228 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..5.

CROSSREFS

Inverse Weigh transform of A030242.

Sequence in context: A176142 A101151 A138788 * A004150 A062642 A294528

Adjacent sequences:  A030241 A030242 A030243 * A030245 A030246 A030247

KEYWORD

nonn,more

AUTHOR

Christian G. Bower

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified November 23 20:23 EST 2017. Contains 295141 sequences.