OFFSET
1,2
COMMENTS
Conjecture: 0 < n*r - a(n) < 3, where r = 1 + sqrt(3).
LINKS
Clark Kimberling, Table of n, a(n) for n = 1..10000
EXAMPLE
As a word, A285205 = 1001001010..., in which 1 is in positions 1,4,7,9,12,...
MATHEMATICA
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Apr 23 2017
STATUS
approved