OFFSET
1,2
LINKS
Changwoo Lee, The number of independent dominating sets of labeled trees, Commun. Korean Math. Soc. 18 (2003), 181-192. See p. 189.
FORMULA
a(n) = A058924(n) / n. - Sean A. Irvine, Sep 05 2022
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jan 12 2001
EXTENSIONS
a(10) corrected and more terms from Sean A. Irvine, Sep 05 2022
STATUS
approved