



1, 4, 5, 7, 8, 10, 11, 12, 15, 16, 17, 19, 22, 23, 25, 26, 27, 30, 31, 33, 34, 36, 37, 38, 40, 43, 44, 46, 47, 48, 51, 52, 54, 55, 57, 58, 59, 61, 64, 65, 67, 68, 69, 72, 73, 75, 76, 77, 80, 81, 83, 84, 86, 87, 88, 91, 92, 93, 95, 98, 99, 101, 102, 103, 106
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OFFSET

1,2


COMMENTS

Conjecture: 1 < n*r  a(n) < 1 for n>=1, where r = (1+sqrt(5))/2, the golden ratio (A001622).


LINKS

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


EXAMPLE

As a word, A285083 = 1001101101110..., in which 0 is in positions 2,3,6,9,13,...


MATHEMATICA

s = Nest[Flatten[# /. {0 > {1, 0}, 1 > {0, 1, 1}}] &, {0}, 13]; (* A285083 *)
Flatten[Position[s, 0]]; (* A285084 *)
Flatten[Position[s, 1]]; (* A285085 *)


CROSSREFS

Cf. A001622, A285080, A285083, A285084.
Sequence in context: A168044 A248188 A174047 * A231507 A097482 A191984
Adjacent sequences: A285082 A285083 A285084 * A285086 A285087 A285088


KEYWORD

nonn,easy


AUTHOR

Clark Kimberling, Apr 19 2017


STATUS

approved



