OFFSET
1,2
COMMENTS
Row 4 of A255716
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..6....6....4....6....1....4....6....4....4....6....1....6....6....6....4....6
..3....2....2....4....5....6....2....2....5....4....3....2....2....2....2....2
..5....1....3....5....6....4....4....6....3....6....2....6....6....1....4....4
..2....5....1....1....2....6....6....2....6....4....3....1....4....6....5....2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 03 2015
STATUS
approved