OFFSET
1,2
COMMENTS
Row 3 of A281326.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 22*a(n-1) -75*a(n-2) -826*a(n-3) +2647*a(n-4) +12524*a(n-5) -31666*a(n-6) -101028*a(n-7) +172228*a(n-8) +478380*a(n-9) -327766*a(n-10) -1371744*a(n-11) -848245*a(n-12) +2223326*a(n-13) +5363769*a(n-14) -723658*a(n-15) -9633470*a(n-16) -5756578*a(n-17) +5497899*a(n-18) +13633286*a(n-19) +3670518*a(n-20) -13409438*a(n-21) -7736445*a(n-22) +6852658*a(n-23) +5255219*a(n-24) -1543628*a(n-25) -2237348*a(n-26) -373776*a(n-27) +751904*a(n-28) +458560*a(n-29) -160320*a(n-30) -151296*a(n-31) +4608*a(n-32) +23552*a(n-33) +11264*a(n-34) -4096*a(n-35) -4096*a(n-36) for n>39
EXAMPLE
Some solutions for n=4
..0..1..1..2. .0..1..2..1. .0..1..1..1. .0..1..2..0. .0..1..2..1
..0..2..2..1. .0..1..2..1. .0..2..0..1. .2..2..0..2. .2..1..1..1
..1..0..1..0. .2..2..0..0. .1..2..0..0. .1..1..2..0. .0..1..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 20 2017
STATUS
approved