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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A030070 Numerator of Second Mills Number M_2(n). 1
1, 9, 4, 5, 5, 9, 2 (list; graph; refs; listen; history; internal format)
OFFSET

4,2

REFERENCES

B. Guiduli and Z. Kiraly, On intersecting hypergraphs, Discr. Math., 182 (1998), 139-151.

CROSSREFS

Cf. A030071.

Sequence in context: A062546 A019880 A021518 * A154900 A172197 A016630

Adjacent sequences:  A030067 A030068 A030069 * A030071 A030072 A030073

KEYWORD

nonn,frac

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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

Content is available under The OEIS End-User License Agreement .

Last modified February 17 18:01 EST 2012. Contains 206061 sequences.