OFFSET
1,2
COMMENTS
Row 2 of A297749.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 2*a(n-1) -a(n-2) +6*a(n-3) +8*a(n-4) -10*a(n-5) -12*a(n-6)
EXAMPLE
Some solutions for n=7
..0..1..1..0..1..0..1. .1..0..1..1..1..1..0. .0..0..0..0..0..0..0
..0..0..0..0..1..1..1. .0..1..1..1..1..0..1. .0..0..1..1..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 05 2018
STATUS
approved