OFFSET

1,2

COMMENTS

Conjecture: a(n) - 2n + 1 is in {0,1,2} for n >= 1.

LINKS

Clark Kimberling, Table of n, a(n) for n = 1..10000

EXAMPLE

As a word, A284935 = 011100..., in which 0 is in positions 1,5,6,9,10,...

MATHEMATICA

CROSSREFS

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Apr 18 2017

STATUS

approved