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A119514
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Determinant of n X n matrix of first n^2 squarefree numbers.
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0
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OFFSET
| 1,3
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COMMENTS
| The absolute value of a(1) through a(3) and a(5), are squares. None of the absolute values of a(1) through a(8) are themselves squarefree.
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EXAMPLE
| a(2) = -1 =
|1 2|
|3 5|.
a(3) = -4 =
|.1..2..3|
|.5..6..7|
|10.11.13|.
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CROSSREFS
| Cf. A005117, A119493.
Sequence in context: A007154 A056410 A056400 * A102982 A172138 A178208
Adjacent sequences: A119511 A119512 A119513 * A119515 A119516 A119517
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KEYWORD
| easy,sign
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AUTHOR
| Jonathan Vos Post (jvospost3(AT)gmail.com), May 27 2006
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