



2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 14, 15, 16, 18, 19, 20, 21, 22, 24, 25, 26, 27, 28, 30, 31, 32, 34, 35, 36, 37, 38, 40, 41, 42, 44, 45, 46, 47, 48, 50, 51, 52, 53, 54, 56, 57, 58, 60, 61, 62, 63, 64, 66, 67, 68, 69, 70, 72, 73, 74, 76, 77, 78, 79, 80, 82
(list;
graph;
refs;
listen;
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internal format)



OFFSET

1,1


COMMENTS

Conjecture: a(n)/n> 1 + sqrt(5), and if m denotes this number, then 1 < m  a(n)/n) < 1 for n >= 1.
Appears to differ from A288708 only at a(1).  R. J. Mathar, Jun 19 2017


LINKS

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


MATHEMATICA

s = {0, 0}; w[0] = StringJoin[Map[ToString, s]];
w[n_] := StringReplace[w[n  1], {"00" > "1000", "10" > "00"}]
Table[w[n], {n, 0, 8}]
st = ToCharacterCode[w[9]]  48 (* A288711 *)
Flatten[Position[st, 0]] (* A288712 *)
Flatten[Position[st, 1]] (* A288713 *)


CROSSREFS

Cf. A288711, A288713.
Sequence in context: A114024 A030173 A048265 * A002180 A207333 A179182
Adjacent sequences: A288709 A288710 A288711 * A288713 A288714 A288715


KEYWORD

nonn,easy


AUTHOR

Clark Kimberling, Jun 16 2017


STATUS

approved



