OFFSET
1,3
COMMENTS
See A225189 for further information.
LINKS
S. Holub and K. Saari, On highly palindromic words, Discrete Applied Mathematics, 157 (2009) 953-959.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, May 06 2013
EXTENSIONS
a(10)-a(34) from Lars Blomberg, Dec 31 2016
STATUS
approved