OFFSET
1,1
COMMENTS
Column 5 of A195248
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..12
EXAMPLE
Some solutions for n=5
..4..........2..........2..........1..........1..........3..........4
..2.4........2.4........1.2........3.1........2.3........2.2........3.4
..2.3.5......3.3.3......3.2.0......3.2.2......3.3.4......2.3.2......3.4.2
..4.4.5.4....2.2.3.4....4.2.0.2....3.4.3.2....5.3.4.4....1.1.3.4....4.4.3.2
..4.5.3.5.3..4.4.2.2.3..2.2.1.0.1..4.3.2.4.4..5.4.5.3.2..2.2.2.4.3..5.4.2.3.3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 13 2011
STATUS
approved