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Search: id:A080826
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| A080826 |
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Successive factors of the Thue-Morse word defined by sequence A001285. |
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+0
1
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| 122, 12, 1122, 11212212, 1121221122121122, 11212211221211212212112211212212, 1121221122121121221211221121221122121122112122121121221122121122
(list; graph; listen)
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OFFSET
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1,1
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LINKS
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G. Melancon, Home page
G. Melancon, Lyndon Factorization of Infinite Words STACS 96 (Grenoble, 1996), 147-154, Lecture Notes in Comput. Sci., 1046, Springer, Berlin, 1996.
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MAPLE
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A080826:= proc(n) option remember: local l, i: if n = 0 then RETURN([1, 2, 2]) else l:=A080826(n-1):l := subsop(nops(l)=NULL, l):RETURN([op(l), seq(op(A080826(i)), i=0..n-2)]) fi:end; ds:=s->add(s[j]*10^(nops(s)-j), j=1..nops(s)); seq(ds(A080826(n)), n=0..7); (C. Ronaldo)
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CROSSREFS
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Sequence in context: A013859 A060032 A109643 this_sequence A043646 A077376 A138026
Adjacent sequences: A080823 A080824 A080825 this_sequence A080827 A080828 A080829
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KEYWORD
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nonn,easy
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Mar 28 2003
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EXTENSIONS
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More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Dec 19 2004
The next term is too large to include.
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