OFFSET
1,1
COMMENTS
Conjecture: 2n - a(n) is in {0,1,2} for n >= 1.
LINKS
Clark Kimberling, Table of n, a(n) for n = 1..10000
EXAMPLE
As a word, A284935 = 011100..., in which 1 is in positions 2,3,4,7,...
MATHEMATICA
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Apr 18 2017
STATUS
approved