OFFSET
1,2
COMMENTS
Diagonal of A263905.
LINKS
Alois P. Heinz, Table of n, a(n) for n = 1..141
EXAMPLE
Some solutions for n=7
..0....2....4....4....2....4....1....0....5....2....3....0....1....0....0....3
..1....1....2....3....5....2....2....1....1....1....2....1....2....1....6....2
..2....5....3....1....1....1....0....3....0....0....1....4....4....5....2....0
..3....0....0....2....0....0....5....6....3....6....4....5....0....6....4....4
..6....3....1....0....3....3....4....4....4....4....0....2....5....4....3....1
..4....4....5....5....4....5....6....5....2....5....5....3....6....2....5....6
..5....6....6....6....6....6....3....2....6....3....6....6....3....3....1....5
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 29 2015
EXTENSIONS
a(21)-a(26) from Alois P. Heinz, Oct 01 2022
STATUS
approved