A087934 - OEIS

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A087934

a(n) = least k>=0 such that P(x)=(x-1)*(x-2)*..(x-n)-k has only 1 real root if n is odd, only 2 real roots if n is even.

0, 0, 1, 1, 4, 6, 96, 130, 4930, 6556 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,5`
	CROSSREFS	`Sequence in context: A101138 A012897 A013079 * A052684 A105037 A139730` `Adjacent sequences: A087931 A087932 A087933 * A087935 A087936 A087937`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Oct 27 2003`

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Last modified February 15 12:59 EST 2012. Contains 205788 sequences.