OFFSET
1,1
COMMENTS
Row 6 of A275142.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 13*a(n-1) -77*a(n-2) +286*a(n-3) -736*a(n-4) +1351*a(n-5) -1787*a(n-6) +1716*a(n-7) -1217*a(n-8) +652*a(n-9) -265*a(n-10) +78*a(n-11) -14*a(n-12) +a(n-13) for n>18
EXAMPLE
Some solutions for n=5
..0..1..2..0..2. .0..1..0..2..0. .0..1..0..1..2. .0..1..2..0..2
..2..0..1..2..0. .0..2..1..0..2. .0..2..1..2..1. .2..0..2..0..1
..1..2..1..2..0. .1..2..1..0..2. .1..0..1..0..2. .1..0..1..2..1
..0..2..0..1..0. .1..0..2..1..2. .1..0..2..1..0. .1..2..0..1..0
..0..1..2..0..2. .2..0..2..1..0. .1..0..2..1..0. .1..2..0..1..2
..0..2..1..0..1. .0..2..0..2..1. .0..2..0..2..0. .2..1..2..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 17 2016
STATUS
approved