OFFSET
1,2
COMMENTS
Row 3 of A254539
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..1....6....6....4....4....6....4....1....6....6....4....6....6....6....6....4
..5....3....4....6....5....6....2....5....4....2....5....3....3....3....6....2
..2....3....4....2....1....3....6....3....5....6....5....5....6....1....6....2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 01 2015
STATUS
approved