OFFSET
1,2
COMMENTS
Row 3 of A265232.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..106
FORMULA
Conjecture: n^2*a(n) +(-19*n^2+19*n-6)*a(n-1) +96*(n-1)^2*a(n-2) -144*(n-1)*(n-2)*a(n-3)=0. - R. J. Mathar, Dec 08 2015
Conjecture: a(n) ~ 2^(2*n - 1) * 3^(n - 1/2) / (Pi*n). - Vaclav Kotesovec, Mar 08 2023
EXAMPLE
Some solutions for n=4
..0..1..0..2....0..1..2..2....0..1..0..0....0..1..1..2....0..1..1..2
..2..0..2..0....2..0..1..0....2..2..2..2....1..2..2..0....2..0..0..0
..1..1..1..2....0..1..2..1....1..1..0..1....0..0..1..2....1..1..2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 06 2015
STATUS
approved