OFFSET
1,2
COMMENTS
Conjecture: a(n)/n -> 3.19..., and if m denotes this number, then -1 < m - a(n)/n) < 3 for n >= 1.
LINKS
Clark Kimberling, Table of n, a(n) for n = 1..10000
MATHEMATICA
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Jun 18 2017
STATUS
approved