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 A284932 Fixed point of the mapping 00->001, 1->10, starting with 00. 7
 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1 COMMENTS The number of letters (0's and 1's) in the n-th iterate, beginning with 2,3,5,8,13, is given by A286938, which appears to be the same as A164457 except for initial 2,3,5. LINKS Clark Kimberling, Table of n, a(n) for n = 1..10000 EXAMPLE Iterates, starting with 00: 00 001 00110 00110100 0011010010001 001101001000110001010 001101001000110001010100010100100 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 Cf. A285352, A285303, A286938, A164457. Sequence in context: A284487 A156660 A155899 * A117814 A257000 A062301 Adjacent sequences:  A284929 A284930 A284931 * A284933 A284934 A284935 KEYWORD nonn,easy AUTHOR Clark Kimberling, Jun 03 2017 STATUS approved

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Last modified September 22 03:21 EDT 2020. Contains 337289 sequences. (Running on oeis4.)