OFFSET
1,1
COMMENTS
Row 6 of A188706.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
FORMULA
Empirical: a(n) = 21*a(n-1) - 112*a(n-2) + 217*a(n-3) - 157*a(n-4) + 36*a(n-5) for n>6.
Empirical g.f.: x*(21 - 153*x + 388*x^2 - 400*x^3 + 553*x^4 - 189*x^5) / (1 - 21*x + 112*x^2 - 217*x^3 + 157*x^4 - 36*x^5). - Colin Barker, Apr 28 2018
EXAMPLE
Some solutions for 6 X 3:
1 0 1 1 1 0 0 1 1 1 1 1 1 1 1 1 0 1 1 1 0
1 1 1 0 0 1 1 1 0 1 1 1 1 1 1 0 1 1 0 0 1
1 1 1 1 1 1 1 1 1 0 0 1 1 1 0 1 1 1 1 1 1
0 0 1 0 1 1 0 0 0 1 1 1 0 1 1 0 0 0 0 1 0
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
0 1 0 0 0 1 0 1 0 0 1 1 0 0 0 0 1 1 1 1 0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 08 2011
STATUS
approved