OFFSET
1,1
COMMENTS
Table starts
........256..........1644...........10700.............67056..............438768
.......1644.........16116..........157404...........1499348............14168952
......10700........157404.........2296588..........27034844...........363809888
......67056.......1499348........27034844.........506608980.........10213967484
.....438768......14168952.......363809888.......10213967484........323819924384
....2752364.....135441648......4856507148......209604948500.......9500262069216
...17963540....1301417096.....69678083388.....4182799295184.....300828077426994
..112686608...12431472388....867711409148....82645994204968....9035028981379256
..736140896..118450899788..11916017498904..1667663702267092..288763387135691996
.4617797164.1132038063428.155815394620052.34042629929788000.8588440332702563980
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..143
FORMULA
Empirical for column k:
k=1: a(n) = 23*a(n-2) +689*a(n-4) +1889*a(n-6) +1784*a(n-8) +512*a(n-10) for n>13
k=2: [order 20] for n>24
k=3: [order 60] for n>63
EXAMPLE
Some solutions for n=2 k=4
..1..0..1..0..3....0..1..0..0..3....1..1..2..2..0....1..1..2..0..2
..2..0..1..2..0....2..1..0..2..1....1..0..2..1..2....2..1..3..1..0
..3..1..2..1..1....2..2..0..3..3....2..2..3..1..1....2..0..2..3..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Feb 17 2014
STATUS
approved