id:A116527 - OEIS Search Results

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Number of singular n X n rational {0,1}-matrices with no zero rows or columns and with all rows distinct and all columns distinct, up to permutation of rows.

+0
5

0, 0, 0, 75, 22365, 13303500, 21058940420, 98692672142610 (list; graph; listen)

	OFFSET	`1,4`
	FORMULA	`a(n) = A094000(n) - A088389(n).`
	CROSSREFS	`Cf. A000410, A116506, A116507, A116532.` `Sequence in context: A110902 A114910 A093275 this_sequence A085404 A110100 A003745` `Adjacent sequences: A116524 A116525 A116526 this_sequence A116528 A116529 A116530`
	KEYWORD	`more,nonn`
	AUTHOR	`Vladeta Jovovic (vladeta(AT)Eunet.yu), Apr 03 2006`

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.

AT&T Labs Research