OFFSET
3,1
LINKS
Yuan Xu, On polynomials of least deviation from zero in several variables, J. Experimental Math. 13 (2004), 103-112.
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
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Mar 25 2012
STATUS
approved