OFFSET
1,2
COMMENTS
Row 4 of A254204
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..4....6....1....6....4....4....6....4....4....4....1....6....6....1....6....6
..2....4....3....6....2....4....6....6....2....6....5....3....4....5....2....6
..2....2....5....4....2....4....3....4....4....2....6....3....2....4....4....2
..4....6....1....6....6....4....1....4....6....4....4....6....4....6....4....6
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 26 2015
STATUS
approved