OFFSET
1,1
COMMENTS
a(n)-2n is in {0,1} for n>=1.
LINKS
Clark Kimberling, Table of n, a(n) for n = 1..10000
EXAMPLE
As a word, A284775 = 0100110..., in which 0 is in positions 2,5,6,8,...
MATHEMATICA
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Apr 14 2017
STATUS
approved