OFFSET
1,1
COMMENTS
Conjecture: a(n)/n -> 2, and -2 < 2 - 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 06 2017
STATUS
approved