OFFSET
1,2
COMMENTS
Conjecture: a(n)/n -> (1+sqrt(5/4).
LINKS
Clark Kimberling, Table of n, a(n) for n = 1..10000
EXAMPLE
As a word, A285568 = 01010101010110..., in which 0 is in positions 1,3,5,7,...
MATHEMATICA
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Apr 30 2017
STATUS
approved