OFFSET
1,1
COMMENTS
Row 4 of A248433
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = -a(n-4) +a(n-5) +a(n-7) -a(n-8) +a(n-9) +a(n-11) -a(n-12) +a(n-13) +a(n-15) -a(n-21) -a(n-23) +a(n-24) -a(n-25) -a(n-27) +a(n-28) -a(n-29) -a(n-31) +a(n-32) +a(n-36)
EXAMPLE
Some solutions for n=6
..4....1....3....1....5....3....2....6....5....4....3....2....5....3....5....1
..5....5....4....3....3....1....4....2....4....2....5....1....4....3....1....3
..6....3....2....2....1....2....0....4....6....0....1....3....6....3....3....5
..4....4....3....1....2....0....2....0....2....4....3....2....2....3....5....1
..2....2....1....0....3....4....1....2....4....2....2....4....4....3....4....3
..0....3....5....2....4....2....3....4....0....3....4....3....6....3....6....5
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 06 2014
STATUS
approved