A286341 - OEIS

A286341

Positions of 1 in A286339; complement of A286340.

2, 5, 6, 9, 11, 14, 16, 17, 20, 23, 24, 27, 29, 30, 33, 36, 38, 41, 42, 45, 47, 50, 52, 53, 56, 59, 61, 64, 65, 68, 70, 71, 74, 77, 78, 81, 83, 86, 88, 89, 92, 95, 96, 99, 101, 102, 105, 108, 110, 113, 114, 117, 119, 120, 123, 126, 127, 130, 132, 135, 137

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

a(n) - a(n-1) is in {1,2,3} for n>=2. Conjecture: a(n)/n -> 9/4.

LINKS

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

EXAMPLE

As a word, A286339 = 01001100101001011001001100..., in which 1 is in positions 2,5,6,9,11,...

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {1, 0}}] &, {0}, 9] (* A010060 *)

w = StringJoin[Map[ToString, s]]