OFFSET
1,1
COMMENTS
Row 5 of A207453.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = a(n-1) + 13*a(n-2) + 4*a(n-3) - 16*a(n-4).
Empirical g.f.: 10*x*(1 + 9*x + 4*x^2 - 16*x^3) / (1 - x - 13*x^2 - 4*x^3 + 16*x^4). - Colin Barker, Jun 23 2018
EXAMPLE
Some solutions for n=5:
1 1 1 1 1 1 0 1 1 0 0 1 0 1 0 0 1 0 1 0
1 1 1 1 1 1 1 0 1 1 1 1 0 1 0 1 1 0 1 0
0 1 0 1 1 0 1 0 1 0 1 1 0 1 0 0 1 0 1 0
0 1 0 1 0 0 1 0 1 0 1 1 0 1 0 0 1 0 1 0
0 1 0 1 0 0 1 0 1 0 1 1 0 1 0 0 1 0 1 0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 17 2012
STATUS
approved