OFFSET
1,2
COMMENTS
Table starts
...1....2.....4......8......16.......32.........64.........128..........256
...2....5....13.....34......89......233........610........1597.........4181
...4...13....44....153.....536.....1881.......6604.......23189........81428
...8...34...153....711....3357....15952......75965......362012......1725628
..16...89...536...3357...21464...138645.....899860.....5852687.....38099072
..32..233..1881..15952..138645..1220881...10826489....96353860....859094433
..64..610..6604..75965..899860.10826489..131393852..1602580515..19601243880
.128.1597.23189.362012.5852687.96353860.1602580515.26816872052.450388122809
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..684
FORMULA
Empirical for column k:
k=1: a(n) = 2*a(n-1)
k=2: a(n) = 3*a(n-1) -a(n-2)
k=3: a(n) = 5*a(n-1) -6*a(n-2) +3*a(n-3) -a(n-4)
k=4: [order 8]
k=5: [order 16]
k=6: [order 32]
k=7: [order 64]
EXAMPLE
Some solutions for n=4 k=4
..0..2..2..1....0..2..2..1....0..2..1..0....0..2..1..1....0..2..1..0
..1..0..2..2....0..0..0..2....1..0..2..1....0..2..2..1....0..2..1..1
..2..1..0..0....1..1..1..0....1..0..2..2....0..0..0..2....0..0..2..2
..0..2..1..1....2..2..2..1....1..1..0..2....1..1..0..0....1..0..0..2
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Sep 22 2013
STATUS
approved