A125720 - OEIS

A125720

A variation on the Thue-Morse sequence.

0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 1, 1, 0

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..64.

EXAMPLE

Start with chain 1 equal to 0:

ch 1 = 0

Copy and paste chain 1, then complement 1 rightmost digit (1->0, 0->1):

ch 2 = 0,1

Copy and paste chain 2, then complement 2 rightmost digits (1->0, 0->1):

ch 3 = 0,1,1,0

Copy and paste chain 3, then complement 3 rightmost digits (1->0, 0->1):

ch 4 = 0,1,1,0,0,0,0,1

Copy and paste chain 4, then complement 4 rightmost digits (1->0, 0->1):

ch 5 = 0,1,1,0,0,0,0,1,0,1,1,0,1,1,1,0

Copy and paste chain 5, then complement 5 rightmost digits (1->0, 0->1):

ch 6 = 0,1,1,0,0,0,0,1,0,1,1,0,1,1,1,0,0,1,1,0,0,0,0,1,0,1,1,1,0,0,0,1

Copy and paste chain 6, then complement 6 rightmost digits (1->0, 0->1):

ch 7 = 0,1,1,0,0,0,0,1,0,1,1,0,1,1,1,0,0,1,1,0,0,0,0,1,0,1,1,1,0,0,0,1,0,1,1,0,0,0,0,1,0,1,1,0,1,1,1,0,0,1,1,0,0,0,0,1,0,1,0,0,1,1,1,0

etc.

CROSSREFS

Sequence in context: A342000 A194685 A182582 * A095130 A284789 A288736

Adjacent sequences: A125717 A125718 A125719 * A125721 A125722 A125723

KEYWORD

easy,nonn

AUTHOR

Eric Angelini, Feb 01 2007

STATUS

approved