OFFSET
1,1
COMMENTS
Row 3 of A246737
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..71
FORMULA
Empirical: a(n) = 3*a(n-1) +2*a(n-2) -14*a(n-3) +5*a(n-4) +25*a(n-5) -20*a(n-6) -20*a(n-7) +25*a(n-8) +5*a(n-9) -14*a(n-10) +2*a(n-11) +3*a(n-12) -a(n-13)
EXAMPLE
Some solutions for n=4
..2....4....1....3....2....0....4....3....0....4....0....4....3....3....4....4
..4....4....2....3....1....3....3....2....3....1....1....1....3....2....1....3
..4....4....1....3....1....0....3....0....2....1....0....4....3....4....4....4
..3....1....1....3....1....3....3....0....0....2....2....2....4....4....1....3
..4....2....1....2....1....3....2....3....3....4....1....1....2....4....2....3
..3....4....1....0....0....0....3....3....3....1....1....1....3....4....1....2
..4....1....2....3....1....0....3....3....3....1....1....4....4....2....4....3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Sep 02 2014
STATUS
approved