OFFSET
1,1
COMMENTS
Row 5 of A201873
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = a(n-1) -a(n-2) +2*a(n-3) -a(n-4) +2*a(n-5) -a(n-6) -a(n-8) -a(n-9) +a(n-10) -2*a(n-11) +3*a(n-12) -3*a(n-13) +3*a(n-14) -3*a(n-15) +2*a(n-16) -a(n-17) +a(n-18) +a(n-19) +a(n-21) -2*a(n-22) +a(n-23) -2*a(n-24) +a(n-25) -a(n-26) +a(n-27)
EXAMPLE
Some solutions for n=10
.-9....7....5...-7...10....5....1....5...-5...-3....7....1....4...-3....1....7
.-7....1...-2...-3....5....3....0....6....2....2....6....0...-4...-2....0....0
..2...-5...-2....4...-3....4....1....0....5....4...-2...-4...-3...-2....0....0
..8...-3....0....6...-6...-2...-2...-6....0...-1...-4...-3...-3....3....1...-3
..6....0...-1....0...-6..-10....0...-5...-2...-2...-7....6....6....4...-2...-4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 06 2011
STATUS
approved