OFFSET
1,3
COMMENTS
Row 3 of A231108
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 10*a(n-1) -26*a(n-2) +6*a(n-3) +60*a(n-4) -56*a(n-5) -38*a(n-6) +54*a(n-7) -9*a(n-8) +18*a(n-9) -20*a(n-10) +2*a(n-12) for n>16
EXAMPLE
Some solutions for n=4
..0..1..0..1....0..1..2..1....0..1..2..3....0..1..0..3....0..1..2..0
..2..3..2..1....0..3..2..1....0..1..0..1....2..3..2..3....0..3..1..2
..2..3..0..3....2..3..0..3....0..3..2..1....0..1..0..3....2..0..3..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 03 2013
STATUS
approved