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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A070300 Minimal number of 0's in a 2n X 2n (0,1) matrix that contains no n X n submatrix of 1's. 1
4, 7, 10, 13, 16, 19, 22 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

REFERENCES

J. R. Griggs and C.-C. Ho, On the half-case of the Zarankiewicz problem, Discrete Math., 249 (2002), 95-104.

LINKS

Tanya Khovanova, Non Recursions

CROSSREFS

Main diagonal of array in A070259

Sequence in context: A075990 A184927 A026314 * A190084 A180364 A112335

Adjacent sequences:  A070297 A070298 A070299 * A070301 A070302 A070303

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), May 15 2002

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 13 08:12 EST 2012. Contains 205451 sequences.