OFFSET
1,1
COMMENTS
Table starts
....117...279...684...1719...4383...11286...29241...76059...198324...517923
....279...432...738...1296...2502....4986....9936...20052....40770....82872
....684...738..1197...1962...3582....6795...12762...24552....47367....91440
...1719..1296..1962...3582...7002...13590...26766...52650...104796...207414
...4383..2502..3582...7002..14229...28728...58644..119727...245016...501462
..11286..4986..6795..13590..28728...60588..126306..266391...562293..1185867
..29241..9936.12762..26766..58644..126306..275598..596250..1300068..2826126
..76059.20052.24552..52650.119727..266391..596250.1334322..3002328..6731217
.198324.40770.47367.104796.245016..562293.1300068.3002328..6954849.16128072
.517923.82872.91440.207414.501462.1185867.2826126.6731217.16128072.38574297
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..311
FORMULA
Empirical for column k:
k=1: a(n) = 4*a(n-1) -3*a(n-2) -2*a(n-3) +a(n-4)
k=2: [order 9]
k=3: a(n) = 2*a(n-1) -a(n-5) +a(n-6) -2*a(n-7) +a(n-8) for n>10
k=4: [order 10] for n>12
k=5: [order 16] for n>18
k=6: [order 23] for n>26
k=7: [order 34] for n>36
EXAMPLE
Some solutions for n=4 k=4
..0..1..1..2..1..2....0..1..0..1..0..1....0..1..0..0..2..0....0..1..1..2..2..0
..2..1..1..0..0..1....1..1..0..0..1..1....2..0..0..1..1..2....2..0..2..0..2..2
..2..2..0..2..0..2....0..0..1..0..1..0....2..1..1..0..1..0....0..0..2..2..0..0
..1..1..0..0..1..1....1..0..0..2..2..1....1..0..1..1..2..2....0..2..0..2..0..2
..1..2..1..2..1..2....1..2..1..2..2..0....1..1..0..0..2..0....1..0..0..1..1..2
..2..1..1..2..2..1....2..2..1..1..0..1....2..0..0..1..1..2....1..2..1..2..1..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Dec 23 2014
STATUS
approved