A087934 a(n) is the 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, 416615, 547035, 52346851, 68052947, 9150486666, 11800704395, 2122773858331, 2719323939675, 630854176216923, 803548959057850, 233667907156182198, 296168864567954970, 105531126177212999940, 133179680978969198101, 57078667671269237092154

Offset

1,5

Links

Table of n, a(n) for n=1..25.

Crossrefs

Sequence in context: A013079 A222495 A307101 * A052684 A213128 A105037

Adjacent sequences: A087931 A087932 A087933 * A087935 A087936 A087937

Keyword

nonn

Author

Benoit Cloitre, Oct 27 2003

Extensions

More terms from Jinyuan Wang, Apr 03 2020

Status

approved