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A091471 Number of n X n matrices with entries {-1,1} that are diagonalizable over the complex numbers. +0
3
2, 12, 464, 50224 (list; graph; listen)
OFFSET

1,1

COMMENT

See A091472 for definition of diagonalizable and for Mathematica definitions.

LINKS

Eric Weisstein's World of Mathematics, Diagonalizable Matrix

Index entries for sequences related to binary matrices

MATHEMATICA

Table[Count[Matrices[n, {-1, 1}], _?DiagonalizableQ], {n, 4}]

CROSSREFS

Cf. A091470, A091472.

Sequence in context: A012786 A062738 A009510 this_sequence A012625 A012630 A013173

Adjacent sequences: A091468 A091469 A091470 this_sequence A091472 A091473 A091474

KEYWORD

nonn,more

AUTHOR

Eric Weisstein (eric(AT)weisstein.com), Jan 12, 2004

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.


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