OFFSET
1,8
COMMENTS
See triangle in A319411.
LINKS
Hiroaki Yamanouchi, Table of n, a(n) for n = 1..75
Claude Lenormand, Deux transformations sur les mots, Preprint, 5 pages, Nov 17 2003. Apparently unpublished. This is a scanned copy of the version that the author sent to me in 2003.
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Sep 20 2018
EXTENSIONS
a(21)-a(69) from Hiroaki Yamanouchi, Sep 25 2018
STATUS
approved