OFFSET
1,1
COMMENTS
Row 4 of A223556
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 48*a(n-1) -663*a(n-2) +4174*a(n-3) -13683*a(n-4) +22624*a(n-5) -11071*a(n-6) -19190*a(n-7) +27600*a(n-8) -3924*a(n-9) -10466*a(n-10) +4220*a(n-11) +556*a(n-12) -224*a(n-13) for n>16
EXAMPLE
Some solutions for n=3
..0..3..5....0..1..2....0..3..4....0..1..0....0..1..4....0..1..4....0..3..5
..5..3..0....4..1..2....0..1..2....4..1..4....4..5..2....4..1..4....5..2..5
..4..1..0....2..5..4....4..1..2....2..5..2....4..5..2....4..1..4....5..4..5
..2..1..4....4..5..4....2..5..2....2..0..3....3..0..2....4..1..0....1..2..5
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 22 2013
STATUS
approved