OFFSET
1,1
COMMENTS
Diagonal of A223379
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..11
EXAMPLE
Some solutions for n=3
..2..1..4....1..4..5....4..1..4....4..3..6....4..3..4....1..4..1....8..7..8
..1..4..1....2..5..4....7..4..5....1..4..7....7..4..5....4..3..4....5..8..5
..4..5..2....5..8..7....4..5..4....2..5..4....4..5..8....3..4..1....8..7..8
Vertex neighbors:
0 -> 1 3
1 -> 0 2 4
2 -> 1 5
3 -> 0 4 6
4 -> 3 1 5 7
5 -> 4 2 8
6 -> 3 7
7 -> 6 4 8
8 -> 7 5
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 19 2013
STATUS
approved