OFFSET
1,3
COMMENTS
FORMULA
Conjecture: a(n) -n*a(n-1) -(n-1)*(n-3)*a(n-2) +(n-1)*(n-2)*a(n-3)=0. - R. J. Mathar, May 04 2014
Conjecture: partial sums of A005443. - Sean A. Irvine, Jul 12 2022
MATHEMATICA
(See A192252.)
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, Jun 27 2011
STATUS
approved