OFFSET
1,1
COMMENTS
Column 7 of A301662.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 5*a(n-1) -5*a(n-2) +14*a(n-3) -44*a(n-4) -2*a(n-5) -63*a(n-6) +117*a(n-7) +133*a(n-8) +386*a(n-9) +126*a(n-10) -575*a(n-11) -1064*a(n-12) -876*a(n-13) +203*a(n-14) +1305*a(n-15) +1617*a(n-16) +681*a(n-17) -882*a(n-18) -1502*a(n-19) -879*a(n-20) +297*a(n-21) +793*a(n-22) +486*a(n-23) +6*a(n-24) -191*a(n-25) -108*a(n-26) -14*a(n-27) +20*a(n-28) +12*a(n-29) +4*a(n-30) +a(n-31)
EXAMPLE
Some solutions for n=5
..0..1..0..1..0..1..0. .0..1..0..1..0..1..1. .0..1..0..0..1..0..1
..1..0..1..0..0..0..1. .1..0..1..1..1..0..0. .1..0..1..1..0..1..0
..0..0..0..1..0..1..0. .0..1..0..1..0..1..1. .0..1..0..0..1..1..1
..1..0..1..0..1..0..1. .1..1..1..0..1..0..0. .1..0..1..1..0..1..0
..0..1..0..1..0..1..0. .0..1..0..1..0..1..1. .0..1..0..0..1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 25 2018
STATUS
approved