OFFSET
1,1
COMMENTS
Column 4 of A303896.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 2*a(n-1) +22*a(n-2) -8*a(n-3) -131*a(n-4) +a(n-5) +153*a(n-6) -84*a(n-7) +542*a(n-8) +278*a(n-9) -1349*a(n-10) +447*a(n-11) +711*a(n-12) -308*a(n-13) +422*a(n-14) -2403*a(n-15) +1609*a(n-16) -250*a(n-17) -407*a(n-18) +3132*a(n-19) -3586*a(n-20) +3814*a(n-21) -3697*a(n-22) +375*a(n-23) +1563*a(n-24) -1317*a(n-25) +1526*a(n-26) -1386*a(n-27) +563*a(n-28) -422*a(n-29) +246*a(n-30) -59*a(n-31) +112*a(n-32) -21*a(n-33) -2*a(n-34) -7*a(n-35) for n>40
EXAMPLE
Some solutions for n=5
..0..0..1..1. .0..0..1..0. .0..1..1..0. .0..1..0..0. .0..1..0..0
..0..1..1..0. .0..1..0..0. .0..0..0..1. .0..1..1..0. .0..1..1..0
..0..1..1..0. .1..1..1..0. .1..0..0..1. .1..1..1..1. .1..1..1..0
..0..1..1..0. .1..1..1..1. .1..0..0..1. .0..1..1..1. .0..1..0..0
..0..1..1..1. .0..1..1..0. .0..0..1..1. .0..0..0..1. .0..0..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, May 02 2018
STATUS
approved