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A051753 Number of n X n (-1,0,1)-matrices having A003433 as their determinant. +0
2
1, 4, 240, 384 (list; graph; listen)
OFFSET

1,2

COMMENT

This count includes equivalent matrices.

LINKS

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

Eric Weisstein's World of Mathematics, (-1, 0, 1)-Matrix

CROSSREFS

Cf. A003433.

Sequence in context: A024057 A132551 A013953 this_sequence A094073 A137342 A042769

Adjacent sequences: A051750 A051751 A051752 this_sequence A051754 A051755 A051756

KEYWORD

nonn,more

AUTHOR

Eric Weisstein (eric(AT)weisstein.com)

EXTENSIONS

a(4) from Jud McCranie (j.mccranie(AT)comcast.net), Oct 15 2000

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Last modified September 7 15:23 EDT 2008. Contains 143483 sequences.


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