OFFSET
1,2
COMMENTS
Column 5 of A194794
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..13
EXAMPLE
Some solutions for 4X4
..0........0........0........0........0........0........0........0
..1.2......1.2......1.2......1.2......1.2......1.2......1.2......1.2
..3.4.0....0.3.4....0.3.4....3.4.3....3.4.0....3.4.3....0.3.4....3.4.1
..0.5.3.5..4.5.0.1..4.1.2.1..5.1.5.2..1.2.3.5..0.2.0.1..4.1.5.2..1.0.5.4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 03 2011
STATUS
approved