A285659 Positions of 1 in A285657; complement of A285658.

1, 3, 4, 5, 6, 7, 9, 10, 11, 13, 14, 15, 17, 18, 19, 21, 22, 23, 25, 26, 27, 28, 29, 31, 32, 33, 35, 36, 37, 39, 40, 41, 42, 43, 45, 46, 47, 49, 50, 51, 53, 54, 55, 56, 57, 59, 60, 61, 63, 64, 65, 67, 68, 69, 70, 71, 73, 74, 75, 77, 78, 79, 81, 82, 83, 84

Offset: 1

Author

Clark Kimberling, May 01 2017

Keywords

• nonn
• easy

Comments

Conjecture: a(n)/n -> (1 + sqrt(17))/4.

Examples

			As a word, A285657 = 101111101..., in which 1 is in positions 1,3,4,5,6,7,9,...
		

Links

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

Crossrefs

Cf. A285657, A285658.

Programs

Mathematica

s = Nest[Flatten[# /. {0 -> {1, 1}, 1 -> {1, 0, 1, 1}}] &, {0}, 10] (* A285657 *)
u = Flatten[Position[s, 0]]  (* A285658 *)
Flatten[Position[s, 1]]   (* A285659 *)