OFFSET
1,2
COMMENTS
Diagonal of A257062
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..93
EXAMPLE
Some solutions for n=4
..3....4....2....2....3....3....4....4....4....2....2....3....4....2....3....4
..5....5....2....1....1....3....2....5....4....2....1....1....5....4....5....4
..2....5....2....5....2....3....2....3....1....5....5....4....5....2....4....4
..4....1....4....1....4....1....4....2....3....3....4....1....2....1....2....2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 15 2015
STATUS
approved