OFFSET
1,3
COMMENTS
Column 2 of A265635.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..0..2....0..1....0..2....0..1....0..4....0..4....0..1....0..2....0..4....0..2
..3..1....3..1....6..2....2..4....6..2....3..4....3..2....6..4....3..4....6..4
..5..7....3..5....3..7....6..4....3..4....6..4....3..4....5..4....5..7....6..4
..6..7....6..7....6..7....3..7....6..7....5..7....3..7....6..7....6..7....3..7
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 11 2015
STATUS
approved