OFFSET
1,2
COMMENTS
Conjecture: -2 < n*r - a(n) < 2 for n>=1, where r = (1 + sqrt(3))2.
LINKS
Clark Kimberling, Table of n, a(n) for n = 1..10000
EXAMPLE
As a word, A285421 = 110110111101..., in which 1 is in positions 1,2,4,5,7,...
MATHEMATICA
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Apr 28 2017
STATUS
approved