OFFSET
1,3
COMMENTS
The positions of the 0's are the lacunae.
LINKS
Rémy Sigrist, Table of n, a(n) for n = 1..16384
A. Blondin Massé, S. Brlek, and S. Labbé, Combinatorial properties of f-palindromes in the Thue-Morse sequence, Pure Mathematics and Applications 19.2-3 (2008): 39-52.
A. Blondin Massé, S. Brlek, and S. Labbé, Palindromic lacunas of the Thue-Morse word, GASCom 08 - Proceedings.
Rémy Sigrist, Perl program for A308182
FORMULA
a(n) equals A220080(n) or 0. - Rémy Sigrist, Jun 04 2019
EXAMPLE
n: .. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ...
T-M: a b b a b a a b b a a b a b b a ... (Thue-Morse)
a(n): 1 1 2 4 3 3 2 4 0 0 6 8 10 12 14 16 ...
Corresponding successive maximal palindromic suffixes P:
a (so a(1)=1), b, bb, abba (so a(4)=4), bab, aba, aa, baab, bb (but bb has already appeared, so a(9)=0), ...
PROG
(Perl) See Links section.
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jun 04 2019
EXTENSIONS
More terms from Rémy Sigrist, Jun 04 2019
STATUS
approved