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 A286691 {0->010, 1->110}-transform of the Pell word, A171588. 3
 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1 LINKS Clark Kimberling, Table of n, a(n) for n = 1..10000 EXAMPLE As a word, A171588 = 001001000100100010010010001001000..., and replacing each 0 by 010 and each 1 by 110 gives 0100101100100101100100100101100100... MATHEMATICA s = Nest[Flatten[# /. {0 -> {0, 0, 1}, 1 -> {0}}] &, {0}, 6] (* A171588 *) w = StringJoin[Map[ToString, s]] w1 = StringReplace[w, {"0" -> "010", "1"->"110"}] st = ToCharacterCode[w1] - 48 ; (* A286691 *) Flatten[Position[st, 0]];  (* A286692 *) Flatten[Position[st, 1]];  (* A286693 *) CROSSREFS Cf. A171588, A286692, A286693. Sequence in context: A083651 A111748 A282244 * A288462 A130198 A285411 Adjacent sequences:  A286688 A286689 A286690 * A286692 A286693 A286694 KEYWORD nonn,easy AUTHOR Clark Kimberling, May 13 2017 STATUS approved

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Last modified May 25 22:51 EDT 2022. Contains 354073 sequences. (Running on oeis4.)