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Search: id:A116977
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A116977 Number of n X n rational {0,1}-matrices of determinant 0, up to row and column permutations. +0
1
1, 5, 28, 256, 4471, 187300, 22290203 (list; graph; listen)
OFFSET

1,2

REFERENCES

Miodrag Zivkovic, Classification of small (0,1) matrices, Linear Algebra and its Applications, 414 (2006), 310-346.

CROSSREFS

Cf. A046747, A002724.

Sequence in context: A038172 A000530 A121674 this_sequence A163694 A062796 A023887

Adjacent sequences: A116974 A116975 A116976 this_sequence A116978 A116979 A116980

KEYWORD

more,nonn

AUTHOR

Vladeta Jovovic (vladeta(AT)eunet.rs), Apr 01 2006

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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