OFFSET
2,2
LINKS
Peter Frankl and Norihide Tokushige, The game of n-times nim, Discrete Math., 260 (2003), 205-209.
FORMULA
floor(log(n) / (log(n)-log(n-1))) <= a(n) <= ceiling(log(n) / (log(n+1)-log(n))) [from Frankl and Tokushige]. - Sean A. Irvine, Aug 18 2025
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jan 21 2003
STATUS
approved
