[go: up one dir, main page]

login
A285352
Positions of 0 in A284932; complement of A285303.
7
1, 2, 5, 7, 8, 10, 11, 12, 15, 16, 17, 19, 21, 23, 24, 25, 27, 29, 30, 32, 33, 35, 36, 37, 39, 41, 42, 44, 45, 46, 49, 50, 51, 54, 55, 56, 58, 60, 61, 63, 64, 65, 68, 69, 70, 72, 74, 76, 77, 78, 80, 82, 84, 85, 86, 88, 90, 91, 93, 94, 95, 98, 99, 100, 102
OFFSET
1,2
COMMENTS
Conjecture: lim_{n->oo} a(n)/n = 0.55..., and if m denotes this number, then -1 < a(n)/n - m < 1 for n >= 1.
LINKS
MATHEMATICA
s = {0, 0}; w[0] = StringJoin[Map[ToString, s]];
w[n_] := StringReplace[w[n - 1], {"00" -> "001", "1" -> "10"}]
Table[w[n], {n, 0, 8}]
st = ToCharacterCode[w[11]] - 48 (* A284932 *)
Flatten[Position[st, 0]] (* A285352 *)
Flatten[Position[st, 1]] (* A285303 *)
Table[StringLength[w[n]], {n, 1, 35}] (* A286938 *)
CROSSREFS
KEYWORD
nonn,easy,changed
AUTHOR
Clark Kimberling, Jun 03 2017
STATUS
approved