OFFSET
7,4
LINKS
Alois P. Heinz, Table of n, a(n) for n = 7..200
EXAMPLE
a(7) = 1: UUUUUUUDDDDDDD.
a(11) = 1: UDUUDUUDUUDUUDUUDDDDDD.
CROSSREFS
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Jun 10 2014
STATUS
approved