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 A284680 Fixed point of the morphism 0->1, 1->1000. 4
 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1 LINKS Clark Kimberling, Table of n, a(n) for n = 1..10000 Index entries for sequences that are fixed points of mappings EXAMPLE 1->1000->1000111-> 1000111100010001000 -> MATHEMATICA s = Nest[Flatten[# /. {0 -> {1}, 1 -> {1, 0, 0, 0}}] &, {0}, 8] (* A284680 *) Flatten[Position[s, 0]] (* A284681 *) Flatten[Position[s, 1]] (* A284682 *) CROSSREFS Cf. A283981, A283982. Sequence in context: A120532 A320106 A303561 * A004555 A200261 A288855 Adjacent sequences: A284677 A284678 A284679 * A284681 A284682 A284683 KEYWORD nonn,easy AUTHOR Clark Kimberling, Apr 11 2017 STATUS approved

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Last modified June 8 15:33 EDT 2023. Contains 363165 sequences. (Running on oeis4.)