OFFSET
1,1
COMMENTS
Table starts
....61...155...357...752..1808...4045..8513..19432..42308..88615.195983..419484
...155...259...488...369...702...2301..1864...3971..13398..11033..23486...78603
...357...488..1337...551..2068...6961..2891..10687..35835..15328..56023..186554
...752...369...551...742..1625...2795..3763...8275..14320..19355..42636...73806
..1808...702..2068..1625..3186...9869..7897..15217..46089..37348..72215..218508
..4045..2301..6961..2795..9869..30949.13010..45797.138103..59021.201153..603059
..8513..1864..2891..3763..7897..13010.17895..36732..58811..78891.160955..259629
.19432..3971.10687..8275.15217..45797.36732..69935.206185.164273.299025..854263
.42308.13398.35835.14320.46089.138103.58811.206185.626266.265685.899078.2570383
.88615.11033.15328.19355.37348..59021.78891.164273.265685.365400.722799.1111091
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..480
FORMULA
Empirical for column k:
k=1: [linear recurrence of order 12] for n>14
k=2: [order 10] for n>16
k=3: [order 16] for n>19
k=4: a(n) = 6*a(n-3) -4*a(n-6) -2*a(n-9) +a(n-12) for n>15
k=5: [order 30] for n>34
k=6: [order 40] for n>46
k=7: [order 34] for n>39
EXAMPLE
Some solutions for n=2 k=4
..0..1..2..0..3..4....0..1..2..0..1..2....0..1..2..0..3..2....0..1..2..0..3..2
..0..2..1..0..4..1....1..1..1..1..1..1....2..2..2..2..2..2....3..0..2..3..0..2
..0..0..0..0..0..0....2..1..0..2..1..0....3..0..2..1..4..2....2..2..2..2..2..2
..0..1..4..0..1..3....3..1..2..0..1..3....0..3..2..4..1..2....4..3..2..0..1..2
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Dec 22 2014
STATUS
approved