OFFSET
1,1
COMMENTS
Table starts
........81.........402..........2061..........10488..........53401
.......402........2700.........18062.........122882.........836966
......2061.......18062........167387........1580672.......15073049
.....10488......122882.......1580672.......21527380......297032042
.....53401......836966......15073049......297032042.....6020147131
....271420.....5677464.....142485336.....4061242860...119868748036
...1382012....38493628....1348599340....55269492484..2375043608680
...7030000...261361496...12751872544...754851641410.47198092150236
..35777132..1774467580..120966824930.10327406038280
.182015816.12042475374.1143637823692
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..84
FORMULA
Empirical for column k:
k=1: [linear recurrence of order 16]
k=2: [order 40]
EXAMPLE
Some solutions for n=3 k=4
..0..2..0..0..1....0..0..1..0..1....0..0..2..2..1....0..2..0..0..2
..0..1..1..2..1....0..0..2..2..0....0..0..0..2..1....0..2..2..1..1
..1..2..2..2..1....0..2..1..1..2....2..1..1..0..1....2..2..2..2..1
..2..1..0..0..1....2..2..1..1..1....2..2..1..0..2....1..1..0..2..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Feb 04 2014
STATUS
approved