OFFSET
1,2
COMMENTS
Conjecture: -1 < n*r - a(n) < 3 for n >= 1, where r = (3+sqrt(3))/2.
LINKS
Clark Kimberling, Table of n, a(n) for n = 1..10000
MATHEMATICA
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Apr 07 2017
STATUS
approved