OFFSET
1,1
COMMENTS
Column 6 of A281139.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..141
FORMULA
Empirical: a(n) = 2*a(n-1) +a(n-2) -4*a(n-3) +3*a(n-4) -3*a(n-6) +14*a(n-7) -23*a(n-8) +4*a(n-9) +10*a(n-10) -28*a(n-11) +32*a(n-12) -18*a(n-13) -30*a(n-14) +72*a(n-15) -75*a(n-16) +84*a(n-17) -5*a(n-18) -36*a(n-19) +81*a(n-20) -82*a(n-21) +61*a(n-22) -14*a(n-23) -30*a(n-24) +22*a(n-25) -44*a(n-26) +4*a(n-27) -9*a(n-28) -12*a(n-29) -8*a(n-31) -4*a(n-32) for n>43
EXAMPLE
Some solutions for n=4
..0..1..0..0..1..0. .0..0..1..1..2..1. .0..1..0..0..2..0. .0..1..0..2..2..1
..0..2..1..2..1..2. .1..2..2..0..2..0. .0..1..2..1..1..0. .0..2..0..1..0..1
..1..2..0..2..0..2. .0..0..1..0..1..0. .2..2..0..0..2..2. .1..2..1..2..0..2
..0..1..0..2..1..1. .1..2..1..0..2..2. .1..1..2..1..1..0. .2..0..0..2..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 15 2017
STATUS
approved