A116506 - OEIS

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A116506

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

4

0, 3, 169, 28065, 16114831, 33686890209, 262530190180063, 7717643584470877185

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OFFSET

1,2

LINKS

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

FORMULA

a(n) = A055601(n) - A055165(n).

CROSSREFS

Cf. A000410, A116507, A116527, A116532.

Sequence in context: A137476 A292920 A203482 * A348704 A032484 A119117

Adjacent sequences: A116503 A116504 A116505 * A116507 A116508 A116509

KEYWORD

more,nonn

AUTHOR

Vladeta Jovovic, Apr 03 2006

STATUS

approved