OFFSET
1,2
COMMENTS
2n - a(n) is in {0,1} for n >=1.
See the comments of A285250 for a proof of this conjecture. - Michel Dekking, Oct 07 2020
LINKS
Clark Kimberling, Table of n, a(n) for n = 1..10000
EXAMPLE
As a word, A284905 = 011001..., in which 0 is in positions 1,4,5,8,9,...
MATHEMATICA
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Apr 17 2017
STATUS
approved