OFFSET
1,10
COMMENTS
This is simply one less than the number of stages, but is seems like an equally good measure, so it gets its own entry. - N. J. A. Sloane, Jan 27 2017
LINKS
Peter Kagey, Table of n, a(n) for n = 1..10000
FORMULA
a(n) = A280521(n) - 1.
CROSSREFS
KEYWORD
nonn
AUTHOR
Peter Kagey, Jan 04 2017
STATUS
approved