OFFSET
1,1
COMMENTS
Table starts
....4....4.....4.....4.....4.....4.....4.....4.....4.....4.....4.....4.....4
....8....9.....9.....9.....9.....9.....9.....9.....9.....9.....9.....9.....9
...16...21....21....21....21....21....21....21....21....21....21....21....21
...32...50....51....51....51....51....51....51....51....51....51....51....51
...64..120...127...127...127...127...127...127...127...127...127...127...127
..128..289...323...324...324...324...324...324...324...324...324...324...324
..256..697...835...844...844...844...844...844...844...844...844...844...844
..512.1682..2187..2242..2243..2243..2243..2243..2243..2243..2243..2243..2243
.1024.4060..5787..6062..6073..6073..6073..6073..6073..6073..6073..6073..6073
.2048.9801.15435.16655.16736.16737.16737.16737.16737.16737.16737.16737.16737
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..9999
FORMULA
Empirical for column k:
k=1: a(n) = 2*a(n-1)
k=2: a(n) = 3*a(n-1) -a(n-2) -a(n-3)
k=3: a(n) = 5*a(n-1) -6*a(n-2) -2*a(n-3) +4*a(n-4)
k=4: a(n) = 7*a(n-1) -14*a(n-2) +21*a(n-4) -7*a(n-5) -6*a(n-6)
k=5: [order 8]
k=6: [order 10]
k=7: [order 12]
k=8: [order 14]
k=9: [order 16]
EXAMPLE
Some solutions for n=6 k=4
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
..1....0....0....0....1....1....0....0....0....0....1....1....0....1....1....0
..1....1....1....0....1....0....0....0....1....1....1....0....0....1....1....1
..1....1....0....1....1....0....1....0....0....1....2....0....1....2....2....1
..2....2....0....0....0....0....0....0....0....2....1....1....1....2....2....0
..2....1....1....1....1....1....0....0....0....1....1....1....0....1....3....1
..3....1....1....1....0....0....0....0....1....1....1....1....0....1....3....1
..2....2....1....1....1....1....0....1....1....1....0....0....2....2....0....0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jun 08 2014
STATUS
approved