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 A288220 1-limiting word of the mapping 00->1000, 10->010, starting with 00. 5
 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1 COMMENTS Iterates of the mapping, starting with 00: 00 1000 0101000 00100101000 100001000100101000 01010000010100001000100101000 00100101000100001001010000010100001000100101000 The 1-limiting word is the limit of the n-th iterates for n == 1 mod 3. The number of letters (0's and 1's) in the n-th iterate is given by A288219(n), for n >= 0. LINKS Clark Kimberling, Table of n, a(n) for n = 1..10000 EXAMPLE The first two n-th iterates for n == 1 mod 3: 1000 100001000100101000 MATHEMATICA s = {0, 0}; w[0] = StringJoin[Map[ToString, s]]; w[n_] := StringReplace[w[n - 1], {"00" -> "1000", "10" -> "010"}] Table[w[n], {n, 0, 8}] st = ToCharacterCode[w[22]] - 48   (* A288220 *) Flatten[Position[st, 0]]  (* A288221 *) Flatten[Position[st, 1]]  (* A288222 *) Table[StringLength[w[n]], {n, 0, 30}] (* A288219 *) CROSSREFS Cf. A288216 (0-limiting word), A288221, A288222, A288219, A288223 (2-limiting word). Sequence in context: A339661 A320656 A322075 * A173856 A288926 A027356 Adjacent sequences:  A288217 A288218 A288219 * A288221 A288222 A288223 KEYWORD nonn,easy AUTHOR Clark Kimberling, Jun 19 2017 STATUS approved

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Last modified May 11 09:11 EDT 2021. Contains 343788 sequences. (Running on oeis4.)