OFFSET
1,1
COMMENTS
Conjecture: -3 < n*r - a(n) < 4 for n >= 1, where r = (3+sqrt(3))/2.
LINKS
Clark Kimberling, Table of n, a(n) for n = 1..10000
EXAMPLE
The first 10 letters of the word in A284505 are 1100110011, in which the positions of 0 are 3,4,7,8.
MATHEMATICA
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Apr 04 2017
STATUS
approved