OFFSET
1,2
COMMENTS
Row 3 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) +14*a(n-3) +49*a(n-4) -41*a(n-5) -129*a(n-6) -172*a(n-7) -96*a(n-8) +68*a(n-9) +88*a(n-10) +150*a(n-11) +121*a(n-12) +a(n-13) +15*a(n-14) -32*a(n-15) -7*a(n-16) -14*a(n-17) -3*a(n-18) +2*a(n-19)
EXAMPLE
Some solutions for n=7
..1..1..1..0..1..0..0. .1..0..1..0..1..0..1. .0..1..0..0..1..0..1
..1..0..0..0..1..1..1. .0..1..0..0..0..1..1. .0..0..1..0..1..1..1
..0..0..0..0..0..0..0. .0..1..1..1..0..0..0. .0..0..0..0..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 05 2018
STATUS
approved