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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 (list; graph; refs; listen; history; text; internal format)
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 A157802 A214110

Adjacent sequences:  A116504 A116505 A116506 * A116508 A116509 A116510

KEYWORD

more,nonn

AUTHOR

Vladeta Jovovic, Apr 03 2006

STATUS

approved

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Last modified November 18 10:08 EST 2019. Contains 329261 sequences. (Running on oeis4.)