OFFSET
1,1
COMMENTS
Column 4 of A245950.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 3*a(n-1) +5*a(n-2) +3*a(n-3) -10*a(n-4) -37*a(n-5) -48*a(n-6) -37*a(n-7) +83*a(n-8) +143*a(n-9) +5*a(n-10) -11*a(n-11) -41*a(n-12) -10*a(n-13) -2*a(n-14) +3*a(n-15).
EXAMPLE
Some solutions for n=5
..0....4....2....1....1....0....0....0....1....0....1....2....2....1....3....4
..1....0....2....1....3....0....4....0....1....3....4....0....1....4....1....1
..4....3....0....0....4....3....0....4....3....1....3....1....3....3....0....3
..3....3....2....4....0....1....1....3....1....3....2....4....4....0....2....4
..1....1....3....0....0....1....2....3....2....1....1....4....0....0....3....2
..2....2....2....4....4....4....2....0....2....3....0....0....1....1....2....2
..2....0....2....4....2....0....0....4....3....3....3....0....0....3....1....4
..4....4....0....3....1....0....4....1....3....0....4....2....4....0....2....2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Aug 08 2014
STATUS
approved