login
A210627
Constants r_n arising in study of polynomials of least deviation from zero in several variables.
0
72, 896, 14400, 283392, 6598144, 177373184, 5406289920, 184223744000, 6939874934784, 286375842938880, 12846564299505664, 622448445155704832, 32395710363284275200, 1802446793652649852928, 106760825994912064339968, 6707088257932303257305088, 445456559121345605093294080, 31185504805980142781333504000
OFFSET
3,1
FORMULA
For n>3, r_n = n*Sum_{k=4..n} k^(n-3) binomial(n,k) [(-1)^k(9k^2-32k+24)+k^2].
Conjecture: a(n) = n*A038049(n). - R. J. Mathar, Mar 27 2012
CROSSREFS
Sequence in context: A330829 A240983 A373649 * A019562 A250423 A250650
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Mar 25 2012
STATUS
approved