id:A059424 - OEIS Search Results

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Number of negative terms in a symmetric determinant of order n.

+0
3

0, 0, 1, 3, 9, 35, 195, 1218, 9184, 75492, 724995, 7428905, 86414559, 1059030297, 14455096201, 206132138310, 3228219898080, 52501425954872, 927663133292361, 16944154401198843, 333387373140423145, 6756756713150677275, 146490980301083247291 (list; graph; listen)

	OFFSET	`0,4`
	REFERENCES	`L. Comtet, Advanced Combinatorics, Reidel, 1974, p. 260, #12, p_n.`
	CROSSREFS	`(A002135-A059422)/2. Cf. A059423.` `Sequence in context: A000834 A005346 A129094 this_sequence A002575 A125792 A149020` `Adjacent sequences: A059421 A059422 A059423 this_sequence A059425 A059426 A059427`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Jan 30 2001`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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