OFFSET
1,2
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..24
EXAMPLE
Some solutions for n=3:
0 1 0 1 0 0 0 1 0 1 1 1 0 0 0 1 0 0 1 1
0 1 1 1 0 1 1 1 0 0 0 1 0 0 1 1 0 1 1 1
0 1 0 1 0 0 0 1 0 1 1 1 0 1 0 1 0 1 1 1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 10 2013
STATUS
approved