A286402 - OEIS

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A286402

Positions of 1 in A286400; complement of A286401.

2, 3, 5, 6, 9, 11, 12, 14, 16, 17, 20, 21, 23, 24, 27, 29, 30, 33, 34, 36, 38, 39, 41, 42, 45, 47, 48, 50, 52, 53, 56, 57, 59, 61, 62, 64, 65, 68, 70, 71, 74, 75, 77, 78, 81, 83, 84, 86, 88, 89, 92, 93, 95, 96, 99, 101, 102, 105, 106, 108, 110, 111, 113, 114

(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 -> 9/5.

LINKS

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

EXAMPLE

As a word, A286400 = 011011001011010110011..., in which 1 is in positions 2,3,5,6,9,11,...

MATHEMATICA

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

w = StringJoin[Map[ToString, s]]