OFFSET
1,1
COMMENTS
Column 5 of A223352
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 1711*a(n-2) -132500*a(n-4) +3202240*a(n-6) -28936448*a(n-8) +102379520*a(n-10) -106561536*a(n-12) for n>13
EXAMPLE
Some solutions for n=3
..1..0..2..4..1....0..1..0..2..5....4..1..4..1..3....0..2..0..2..4
..3..1..0..2..0....1..4..2..5..2....1..3..1..0..1....2..0..2..4..2
..1..0..2..0..2....0..1..0..2..0....0..1..4..1..0....0..2..4..2..5
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 19 2013
STATUS
approved