OFFSET
1,2
COMMENTS
Conjecture: a(n)/n -> 5.
LINKS
Clark Kimberling, Table of n, a(n) for n = 1..10000
EXAMPLE
As a word, A285978 = 0110111111011011101111101..., in which 0 is in positions 1,4,11,14,18,...
MATHEMATICA
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, May 06 2017
STATUS
approved