OFFSET
1,5
COMMENTS
Table starts
.0......0........0.........0...........0.............0...............0
.0......6.......48.......288........1536..........7680...........36864
.0.....48......480......4032.......31104........228096.........1617408
.0....288.....4032.....50112......575424.......6298560........66764736
.0...1536....31104....575424.....9854784.....162171072......2591476416
.0...7680...228096...6298560...162171072....4032737280.....97662620160
.0..36864..1617408..66764736..2591476416...97662620160...3594819388032
.0.172032.11197440.691581888.40561000128.2320483572864.130060929470976
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..264
FORMULA
Empirical for column k:
k=1: a(n) = a(n-1).
k=2: a(n) = 8*a(n-1) - 16*a(n-2).
k=3: a(n) = 12*a(n-1) - 36*a(n-2) for n > 3.
k=4: a(n) = 18*a(n-1) - 81*a(n-2) for n > 4.
k=5: [order 8] for n > 9.
k=6: [order 12] for n > 13.
k=7: [order 30] for n > 31.
EXAMPLE
Some solutions for n=3, k=4:
0 1 0 0 0 1 0 1 0 1 1 0 0 1 0 2 0 0 1 1
0 2 2 2 0 2 2 1 1 2 2 2 2 1 2 1 2 2 2 2
1 0 1 1 2 1 0 1 1 0 1 1 2 0 0 1 0 1 1 2
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Sep 25 2013
STATUS
approved