Search: id:A080843 Results 1-1 of 1 results found. %I A080843 %S A080843 0,1,0,2,0,1,0,0,1,0,2,0,1,0,1,0,2,0,1,0,0,1,0,2,0,1,0,2,0,1,0,0,1,0,2, %T A080843 0,1,0,1,0,2,0,1,0,0,1,0,2,0,1,0,0,1,0,2,0,1,0,1,0,2,0,1,0,0,1,0,2,0,1, %U A080843 0,2,0,1,0,0,1,0,2,0,1,0,1,0,2,0,1,0,0,1,0,2,0,1,0,1,0,2,0,1,0,0,1,0,2 %N A080843 Tribonacci word: limit S(infinity), where S(0) = 0, S(1) = 0,1, S(2) = 0,1,0,2 and for n>=0, S(n+3) = S(n+2) S(n+1) S(n). %C A080843 An Arnoux-Rauzy or episturmian word. %D A080843 J. Berstel and J. Karhumaki, Combinatorics on words - a tutorial, Bull. EATCS, #79 (2003), pp. 178-228. %H A080843 N. J. A. Sloane, Table of n, a(n) for n = 0..19512 %H A080843 Jean Berstel, Home Page %H A080843 D. Damanik and L. Q. Zamboni, Arnoux-Rauzy subshifts: linear recurrence, powers and palindromes. %F A080843 Fixed point of morphism 0 -> 0, 1; 1 -> 0, 2; 2 -> 0. %p A080843 M:=17; S[1]:=`0`; S[2]:=`01`; S[3]:=`0102`; %p A080843 for n from 4 to M do S[n]:=cat(S[n-1], S[n-2], S[n-3]); od: %p A080843 t0:=S[M]: l:=length(t0); for i from 1 to l do lprint(i,substring(t0,i..i)); od: (N. J. A. Sloane, Nov 01 2006) %t A080843 Nest[ Function[l, {Flatten[(l /. {0 -> {0, 1}, 1 -> {0, 2}, 2 -> {0}})]}], {0}, 8] (from Robert G. Wilson v Feb 26 2005) %Y A080843 Cf. A003849 (the Fibonacci word). %Y A080843 Sequence in context: A107064 A113687 A071006 this_sequence A087371 A112762 A145171 %Y A080843 Adjacent sequences: A080840 A080841 A080842 this_sequence A080844 A080845 A080846 %K A080843 nonn,easy %O A080843 0,4 %A A080843 N. J. A. Sloane (njas(AT)research.att.com), Mar 29 2003 %E A080843 More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 06 2003 Search completed in 0.001 seconds