OFFSET
1,2
LINKS
Clark Kimberling, Table of n, a(n) for n = 1..10000
FORMULA
2n - a(n ) = A189628(n) for n >= 1.
EXAMPLE
As a word, A284878 = 010110..., in which 0 is in positions 1,3,6,7,...
MATHEMATICA
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Apr 15 2017
STATUS
approved