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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; text; 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

Table of n, a(n) for n=1..7.

Tanya Khovanova, Non Recursions

CROSSREFS

Main diagonal of array in A070259

Sequence in context: A244713 A184927 A026314 * A247879 A190084 A112335

Adjacent sequences:  A070297 A070298 A070299 * A070301 A070302 A070303

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, May 15 2002

STATUS

approved

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Last modified September 26 10:52 EDT 2017. Contains 292518 sequences.