OFFSET

1,2

COMMENTS

The intertwining pattern is the list of consecutive occurrences of a block x and its binary complement x' in the Thue-Morse sequence A010060, where A codes an occurrence of x and B codes an occurrence of x'.

LINKS

J. Shallit, Intertwining of Complementary Thue-Morse Factors, arxiv preprint arXiv:2203.02917 [cs.FL], March 6 2022.

FORMULA

For n>=2, a(n) = 2*A006165(n-1).

EXAMPLE

For n = 4, the four length-four blocks with intertwining pattern ABABAB... are 0110, 1101, 1010, 0100.

CROSSREFS

KEYWORD

nonn

AUTHOR

Jeffrey Shallit, Mar 08 2022

STATUS

approved