OFFSET
1,1
COMMENTS
Column 2 of A255149
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 3*a(n-1) +a(n-2) +14*a(n-3) -20*a(n-4) -38*a(n-5) -57*a(n-6) +32*a(n-7) +181*a(n-8) +161*a(n-9) -27*a(n-10) -301*a(n-11) -250*a(n-12) -15*a(n-13) +250*a(n-14) +170*a(n-15) +33*a(n-16) -94*a(n-17) -50*a(n-18) -18*a(n-19) +18*a(n-20) +4*a(n-22)
EXAMPLE
Some solutions for n=4
..1..1..1..0....1..1..0..1....1..0..1..1....1..1..1..0....1..1..1..0
..1..1..1..1....1..1..1..1....1..1..1..1....1..1..1..1....1..0..1..1
..1..0..1..1....1..1..1..1....1..1..1..1....1..1..0..1....0..1..1..1
..1..1..1..0....1..1..1..0....1..1..1..1....0..1..1..1....1..1..0..1
..1..1..1..1....1..1..1..1....1..0..1..1....1..1..1..0....1..1..1..1
..1..1..1..1....1..1..1..1....1..1..1..0....1..1..1..1....1..1..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 15 2015
STATUS
approved