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A080826 Successive factors of the Thue-Morse word defined by sequence A001285. 1
122, 12, 1122, 11212212, 1121221122121122, 11212211221211212212112211212212, 1121221122121121221211221121221122121122112122121121221122121122 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

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.

MAPLE

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)

CROSSREFS

Sequence in context: A013859 A060032 A109643 * A043646 A077376 A194565

Adjacent sequences:  A080823 A080824 A080825 * A080827 A080828 A080829

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Mar 28 2003

EXTENSIONS

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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Last modified February 14 04:48 EST 2012. Contains 205570 sequences.