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A005020 (0,1)-matrices by 1-width.
(Formerly M2182)
0
1, 2, 168, 32738, 20825760, 47942081642 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

REFERENCES

Lam, Clement W. H. The distribution of $1$-widths of $(0, 1)$-matrices. Discrete Math. 20 (1977/78), no. 2, 109-122.

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

LINKS

Index entries for sequences related to binary matrices

CROSSREFS

Sequence in context: A139928 A142602 A200042 * A157316 A007760 A051030

Adjacent sequences:  A005017 A005018 A005019 * A005021 A005022 A005023

KEYWORD

nonn

AUTHOR

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

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Last modified February 17 09:41 EST 2012. Contains 206009 sequences.