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

1,5

LINKS

Table of n, a(n) for n=1..10.

CROSSREFS

Sequence in context: A012897 A013079 A222495 * A052684 A213128 A105037

Adjacent sequences:  A087931 A087932 A087933 * A087935 A087936 A087937

KEYWORD

nonn

AUTHOR

Benoit Cloitre, Oct 27 2003

STATUS

approved

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Last modified January 18 03:13 EST 2019. Contains 319260 sequences. (Running on oeis4.)