OFFSET
1,2
COMMENTS
Row 2 of A281326.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 10*a(n-1) -13*a(n-2) -82*a(n-3) +60*a(n-4) +210*a(n-5) -77*a(n-6) -202*a(n-7) +39*a(n-8) +56*a(n-9) -16*a(n-10) for n>11
EXAMPLE
Some solutions for n=4
..0..1..2..1. .0..0..1..2. .0..1..0..2. .0..1..2..0. .0..1..2..0
..1..1..0..0. .0..2..1..0. .2..0..0..1. .1..1..0..2. .2..2..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 20 2017
STATUS
approved