A116507 - OEIS

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A116507

Number of singular n X n rational {0,1}-matrices with no zero rows or columns.

3

0, 1, 91, 18943, 12483601, 28530385447, 235529139302185, 7183142489571818623

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OFFSET

1,3

LINKS

Table of n, a(n) for n=1..8.

FORMULA

a(n) = A048291(n) - A055165(n).

CROSSREFS

Cf. A000410, A116506, A116527, A116532.

Sequence in context: A168624 A131442 A319370 * A083828 A348088 A157802

Adjacent sequences: A116504 A116505 A116506 * A116508 A116509 A116510

KEYWORD

more,nonn

AUTHOR

Vladeta Jovovic, Apr 03 2006

STATUS

approved