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A288635
Positions of 1 in A288633; complement of A288634.
3
2, 5, 6, 8, 10, 13, 16, 19, 20, 22, 25, 26, 28, 31, 32, 34, 36, 39, 42, 43, 45, 47, 50, 53, 54, 56, 58, 61, 64, 67, 68, 70, 73, 74, 76, 78, 81, 84, 87, 88, 90, 93, 94, 96, 98, 101, 104, 107, 108, 110, 113, 114, 116, 119, 120, 122, 124, 127, 130, 131, 133
OFFSET
1,1
COMMENTS
Conjecture: a(n)/n->2.19..., and if m denotes this number, then -1 < m - a(n)/n) < 1 for n >= 1.
LINKS
MATHEMATICA
s = {0, 0}; w[0] = StringJoin[Map[ToString, s]];
w[n_] := StringReplace[w[n - 1], {"00" -> "0110", "1" -> "10"}]
Table[w[n], {n, 0, 8}]
st = ToCharacterCode[w[10]] - 48 (* A288633 *)
Flatten[Position[st, 0]] (* A288634 *)
Flatten[Position[st, 1]] (* A288635 *)
CROSSREFS
Sequence in context: A284777 A344312 A081083 * A308595 A104493 A139532
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Jun 15 2017
STATUS
approved