OFFSET
1,1
COMMENTS
Column 2 of A251935
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 10*a(n-1) -43*a(n-2) +112*a(n-3) -212*a(n-4) +314*a(n-5) -371*a(n-6) +366*a(n-7) -292*a(n-8) +172*a(n-9) -78*a(n-10) +2*a(n-11) +25*a(n-12) -16*a(n-13) +12*a(n-14) for n>17
EXAMPLE
Some solutions for n=6
..0....2....1....0....0....0....1....0....1....2....1....0....0....2....1....0
..0....2....2....1....2....1....2....0....2....1....2....2....2....2....2....2
..1....1....2....2....1....2....0....2....1....2....2....1....0....2....0....1
..0....0....1....1....2....1....0....1....0....0....2....1....2....2....1....1
..1....0....2....0....1....1....0....0....2....0....0....2....2....1....1....1
..0....2....1....2....2....2....1....1....1....2....0....2....0....0....1....1
..2....2....2....2....1....2....2....0....0....0....2....1....1....1....1....0
..0....1....1....1....1....1....0....2....0....1....2....1....2....2....1....1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 11 2014
STATUS
approved