OFFSET
1,1
COMMENTS
Table starts
........256..........3096..........37584..........455808.........5529360
.......3096.........91128........2692656........79581792......2351803200
......37584.......2692656......193943760.....13978797888...1007315423208
.....455808......79581792....13978797888...2461372831152.433044403286448
....5529360....2351803200..1007315423208.433044403286448
...67071552...69503976144.72595539982248
..813596592.2054050501536
.9869111712
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..40
FORMULA
Empirical for column k:
k=1: a(n) = 6*a(n-1) +59*a(n-2) +164*a(n-3) +264*a(n-4) +96*a(n-5) -144*a(n-6)
k=2: [order 21]
EXAMPLE
Some solutions for n=2 k=4
..0..0..3..1..2....0..0..0..2..3....0..0..0..2..3....0..0..3..1..3
..0..0..3..3..0....0..0..1..2..0....0..0..3..2..3....0..0..1..3..2
..0..1..0..0..1....0..2..2..1..1....0..1..2..1..0....0..2..3..2..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jan 19 2014
STATUS
approved