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 A214317 a(n) = length-n prefix of the Fibonacci word A003842. 3
 1, 12, 121, 1211, 12112, 121121, 1211212, 12112121, 121121211, 1211212112, 12112121121, 121121211211, 1211212112112, 12112121121121, 121121211211212, 1211212112112121, 12112121121121211, 121121211211212112, 1211212112112121121, 12112121121121211212 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Alois P. Heinz, Table of n, a(n) for n = 1..300 MAPLE S:= proc(n) option remember;       `if`(n<2, [2-n], [S(n-1)[], S(n-2)[]])     end: a:= proc(n) local k;       for k while nops(S(k)) {1, 2}, 2 -> {1}}, {1}, 20]; FromDigits[Take[#[[1]], #[[2]]]]& /@ Transpose[{S, Range[Length[S]]}] (* Jean-François Alcover, Nov 07 2020 *) CROSSREFS Cf. A003842, A214318. Sequence in context: A176779 A098297 A037543 * A037487 A332603 A231869 Adjacent sequences:  A214314 A214315 A214316 * A214318 A214319 A214320 KEYWORD nonn AUTHOR N. J. A. Sloane, Jul 12 2012 STATUS approved

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Last modified July 30 23:12 EDT 2021. Contains 346365 sequences. (Running on oeis4.)