OFFSET
1,1
COMMENTS
Column 7 of A274749.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 21*a(n-1) -27*a(n-2) -407*a(n-3) +1614*a(n-4) -2305*a(n-5) +777*a(n-6) +1788*a(n-7) -2530*a(n-8) +1209*a(n-9) +56*a(n-10) -295*a(n-11) +115*a(n-12) -15*a(n-13) for n>15
EXAMPLE
Some solutions for n=4
..0..1..0..2..1..2..1. .0..1..0..2..0..1..0. .0..1..0..2..0..2..1
..1..0..1..0..2..0..2. .2..0..2..0..1..0..1. .2..0..1..0..1..0..2
..2..1..0..1..0..2..0. .1..2..0..2..0..1..2. .0..1..0..2..0..2..0
..1..2..1..0..1..0..2. .0..1..2..1..2..0..1. .2..0..2..0..2..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 04 2016
STATUS
approved